Cited References
Cited References
The references used across the BASIS website can be accessed at this publicly visible Zotero group: BASIS website references. Each webpage has an associated reference folder. We invite academics and anyone interested to peruse the original sources, otherwise our references are copied below for quick access.
Full List of References
Last reviewed August 2025.
American Academy of Sleep Medicine (2024) International Classification of Sleep Disorders Third Edition, Text Revision (ICSD – 3 – TR). Text Revision third. Available at: https://aasm.org/wp-content/uploads/2023/05/ICSD-3-Text-Revision-Supplemental-Material.pdf (Accessed: 21 July 2025).
Anders, T., Sadeh, A. and Appareddy, V. (1995) ‘Normal sleep in neonates and children’, in Principles and practice of sleep medicine in the child. Philadelphia, pp. 112–121.
Anisfeld, E. et al. (1990) ‘Does Infant Carrying Promote Attachment? An Experimental Study of the Effects of Increased Physical Contact on the Development of Attachment’, Child Development, 61(5), pp. 1617–1627. Available at: https://doi.org/10.1111/j.1467-8624.1990.tb02888.x.
Ansara, D. et al. (2005) ‘Predictors of women’s physical health problems after childbirth’, Journal of Psychosomatic Obstetrics and Gynaecology, 26(2), pp. 115–125.
Anuntaseree, W. et al. (2008) ‘Night waking in Thai infants at 3 months of age: Association between parental practices and infant sleep’, Sleep Medicine, 9(5), pp. 564–571.
Ateah, C.A. and Hamelin, K.J. (2008) ‘Maternal Bedsharing Practices, Experiences, and Awareness of Risks’, Journal of Obstetric, Gynecologic & Neonatal Nursing, 37(3), pp. 274–281. Available at: https://doi.org/10.1111/j.1552-6909.2008.00242.x.
Bach, V. and Libert, J.P. (2022) ‘Hyperthermia and heat stress as risk factors for sudden infant death syndrome: A narrative review’, Frontiers in Pediatrics, 10, p. 816136. Available at: https://doi.org/10.3389/fped.2022.816136.
Baddock, S.A. et al. (2006) ‘Differences in Infant and Parent Behaviors During Routine Bed Sharing Compared With Cot Sleeping in the Home Setting’, Pediatrics, 117(5), pp. 1599–1607. Available at: https://doi.org/10.1542/peds.2005-1636.
Baddock, S.A. et al. (2007) ‘Sleep Arrangements and Behavior of Bed-Sharing Families in the Home Setting’, Pediatrics, 119(1), pp. e200–e207. Available at: https://doi.org/10.1542/peds.2006-0744.
Balarajan, R., Raleigh, V.S. and Botting, B. (1989) ‘Sudden Infant Death Syndrome and post-neonatal mortality in immigrants in England and Wales’, British Medical Journal, 298, pp. 716–720.
Ball, H. (2006) ‘Parent-infant bed-sharing behavior’, Human Nature, 17(3), pp. 301–318. Available at: https://doi.org/10.1007/s12110-006-1011-1.
Ball, H. (2007) ‘Night-time infant care : cultural practice, evolution, and infant development.’, in, pp. 47–61.
Ball, H. and Klingaman, K. (2007) ‘Breastfeeding and mother-infant sleep proximity : implications for infant care.’, in, pp. 226–241.
Ball, H. L. (2002) ‘Reasons to bed-share: Why parents sleep with their infants’, Journal of Reproductive and Infant Psychology, 20(4), pp. 207–221. Available at: https://doi.org/10.1080/0264683021000033147.
Ball, Helen L. (2003) ‘Breastfeeding, Bed-Sharing, and Infant Sleep’, Birth, 30(3), pp. 181–188. Available at: https://doi.org/10.1046/j.1523-536X.2003.00243.x.
Ball, Helen L (2006) ‘Bed sharing on the postnatal ward: Breastfeeding and infant sleep safety’, Paediatrics & Child Health, 11(suppl_A), pp. 43A-46A. Available at: https://doi.org/10.1093/pch/11.suppl_A.43A.
Ball, H. L. (2006) ‘Caring for twin infants: sleeping arrangements and their implications’, Evidence Based Midwifery, 4(1), pp. 10–16.
Ball, H.L. et al. (2006) ‘Randomised trial of infant sleep location on the postnatal ward’, Archives of Disease in Childhood, 91(12), pp. 1005–1010. Available at: https://doi.org/10.1136/adc.2006.099416.
Ball, H.L. (2007) ‘Together or apart? A behavioural and physiological investigation of sleeping arrangements for twin babies’, Midwifery, 23(4), pp. 404–412. Available at: https://doi.org/10.1016/j.midw.2006.07.004.
Ball, H.L. (2008) ‘Evolutionary Paediatrics: a case study in applying Darwinian Medicine’. Available at: https://durham-repository.worktribe.com/output/1688377 (Accessed: 11 June 2025).
Ball, Helen L et al. (2011) ‘Randomised trial of sidecar crib use on breastfeeding duration (NECOT)’, Archives of Disease in Childhood, 96(7), p. 630. Available at: https://doi.org/10.1136/adc.2010.205344.
Ball, Helen L. et al. (2012a) ‘Bed- and Sofa-Sharing Practices in a UK Biethnic Population’, Pediatrics, 129(3), pp. e673–e681. Available at: https://doi.org/10.1542/peds.2011-1964.
Ball, H.L. et al. (2012b) ‘Infant care practices related to sudden infant death syndrome in South Asian and White British families in the UK’, Paediatric and Perinatal Epidemiology, 26, pp. 3–12. Available at: https://doi.org/10.1111/j.1365-3016.2011.01217.x.
Ball, H.L., Taylor, C.E., Thomas, V., Douglas, P.S., and SBY working group (2020) ‘Development and evaluation of ’Sleep, Baby & You’-An approach to supporting parental well-being and responsive infant caregiving’, PloS One, 15(8), p. e0237240. Available at: https://doi.org/10.1371/journal.pone.0237240.
Ball, H.L. (2020) ‘The Mother-Infant Sleep Nexus: Night-Time Experiences in Early Infancy and Later Outcomes’, in R. Gowland and S. Halcrow (eds) The Mother-Infant Nexus in Anthropology: Small Beginnings, Significant Outcomes. Cham: Springer International Publishing, pp. 157–171. Available at: https://doi.org/10.1007/978-3-030-27393-4_9.
Ball, H.L. (2025) How babies sleep: A factful guide to the first 365 days and nights. London: Penguin Cornerstone Press.
Ball, H.L. and et al. (2024) ‘Piloting Eyes on the Baby: A multiagency training and implementation intervention linking sudden unexpected infant death prevention and safeguarding’, Health & Social Care in the Community [Preprint]. Available at: https://doi.org/10.1155/2024/4944268.
Ball, H.L., Hooker, E. and Kelly, P.J. (1999) ‘Where Will the Baby Sleep? Attitudes and Practices of New and Experienced Parents Regarding Cosleeping with Their Newborn Infants’, American Anthropologist, 101(1), pp. 143–151. Available at: https://doi.org/10.1525/aa.1999.101.1.143.
Ball, H.L. and Keegan, A.-A. (2022) ‘Digital health tools to support parents with parent-infant sleep and mental well-being’, NPJ Digital Medicine, 5, p. 185. Available at: https://doi.org/10.1038/s41746-022-00732-4.
Ball, H.L. and Russell, C.K. (2014) ‘SIDS and Infant Sleep Ecology’, Evolution, Medicine, and Public Health, 2014(1), p. 146. Available at: https://doi.org/10.1093/emph/eou023.
Ball, H.L. and Taylor, C.E. (2020) ‘Baby-box schemes in England: parent and practitioner experiences, and recommendations’, BMC Pediatrics, 20(1), p. 154. Available at: https://doi.org/10.1186/s12887-020-02064-2.
Ball, H.L., Taylor, C.E. and Yuill, C.M. (2021) ‘A Box to Put the Baby in: UK Parent Perceptions of Two Baby Box Programmes Promoted for Infant Sleep’, International Journal of Environmental Research and Public Health, 18(21), p. 11473. Available at: https://doi.org/10.3390/ijerph182111473.
Ball, H.L., Tomori, C. and McKenna, J.J. (2019) ‘Toward an Integrated Anthropology of Infant Sleep’, American Anthropologist, 121(3), pp. 595–612. Available at: https://doi.org/10.1111/aman.13284.
Ball, H.L. and Volpe, L.E. (2013) ‘Sudden Infant Death Syndrome (SIDS) risk reduction and infant sleep location – moving the discussion forward’, Social Science & Medicine (1982), 79, pp. 84–91. Available at: https://doi.org/10.1016/j.socscimed.2012.03.025.
Barnard, K.E. (1999) Beginning rhythms: The emerging process of sleep wake behaviours and self-regulation. NCAST, University of Washington.
Barry, E.S. (2021) ‘What Is “Normal” Infant Sleep? Why We Still Do Not Know’, Psychological Reports, 124(2), pp. 651–692. Available at: https://doi.org/10.1177/0033294120909447.
Bartick, M. and Tomori, C. (2019) ‘Sudden infant death and social justice: A syndemics approach’, Maternal & Child Nutrition, 15(1). Available at: https://doi.org/10.1111/mcn.12652.
Bartlett, L. and Witoonchart, C. (2003) ‘The sleep patterns of young twins’, Journal of Family Health Care, 13(1), pp. 21–23.
Bastani, F. et al. (2017) ‘The Effects of Kangaroo Care on the Sleep and Wake States of Preterm Infants’, Journal of Nursing Research, 25(3), p. 231. Available at: https://doi.org/10.1097/JNR.0000000000000194.
Bathory, E. and Tomopoulos, S. (2017) ‘Sleep Regulation, Physiology and Development, Sleep Duration and Patterns, and Sleep Hygiene in Infants, Toddlers, and Preschool-Age Children’, Current Problems in Pediatric and Adolescent Health Care, 47(2), pp. 29–42. Available at: https://doi.org/10.1016/j.cppeds.2016.12.001.
Bergman, N.J. (2024) ‘New policies on skin-to-skin contact warrant an oxytocin-based perspective on perinatal health care’, Frontiers in Psychology, 15. Available at: https://doi.org/10.3389/fpsyg.2024.1385320.
Blabey, M.H. and Gessner, B.D. (2009) ‘Infant Bed-Sharing Practices and Associated Risk Factors among Births and Infant Deaths in Alaska’, Public Health Reports®, 124(4), pp. 527–534. Available at: https://doi.org/10.1177/003335490912400409.
Blair, P. et al. (2006) ‘Sudden Infant Death Syndrome and the time of death: factors associated with night-time and day-time deaths’, International Journal of Epidemiology, 35(6), pp. 1563–1569. Available at: https://doi.org/10.1093/ije/dyl212.
Blair, P.S. et al. (1999) ‘Babies sleeping with parents: case-control study of factors influencing the risk of the sudden infant death syndrome. CESDI SUDI research group’, BMJ (Clinical research ed.), 319(7223), pp. 1457–1461. Available at: https://doi.org/10.1136/bmj.319.7223.1457.
Blair, P.S. et al. (2009) ‘Hazardous cosleeping environments and risk factors amenable to change: case-control study of SIDS in south west England’, BMJ (Clinical research ed.), 339, p. b3666. Available at: https://doi.org/10.1136/bmj.b3666.
Blair, P.S. et al. (2014) ‘Bed-Sharing in the Absence of Hazardous Circumstances: Is There a Risk of Sudden Infant Death Syndrome? An Analysis from Two Case-Control Studies Conducted in the UK’, PLoS ONE, 9(9), p. e107799. Available at: https://doi.org/10.1371/journal.pone.0107799.
Blair, P.S. and Ball, H.L. (2004) ‘The prevalence and characteristics associated with parent-infant bed-sharing in England’, Archives of Disease in Childhood, 89(12), pp. 1106–1110. Available at: https://doi.org/10.1136/adc.2003.038067.
Blum, D. (2003) Love at Goon Park. John Wiley & Sons, Ltd.
Blunden, S.L., Thompson, K.R. and Dawson, D. (2011) ‘Behavioural sleep treatments and night time crying in infants: Challenging the status quo.’, Sleep Medicine Reviews, 15(5), pp. 327–334.
Blyton, D.M., Sullivan, C.E. and Edwards, N. (2002) ‘Lactation is associated with an increase in slow-wave sleep in women’, Journal of Sleep Research, 11, pp. 297–303.
Bower, B. (1999) Slumber’s Unexplored Landscape – People in Traditional Societies Sleep in Eye-Opening Ways. Available at: https://www.sciencenews.org.
Brown, A. and Harries, V. (2015) ‘Infant Sleep and Night Feeding Patterns During Later Infancy: Association with Breastfeeding Frequency, Daytime Complementary Food Intake, and Infant Weight’, Breastfeeding Medicine, 10(5), pp. 252–258.
Byers, J.F. et al. (2003) ‘Co-Bedding Versus Single-Bedding Premature Multiple-Gestation Infants in Incubators’, Journal of Obstetric, Gynecologic, & Neonatal Nursing, 32(3), pp. 340–347. Available at: https://doi.org/10.1177/0884217503253434.
Carlin, R.F. and Moon, R.Y. (2017) ‘Risk Factors, Protective Factors, and Current Recommendations to Reduce Sudden Infant Death Syndrome: A Review’, JAMA Pediatrics, 171(2), pp. 175–180. Available at: https://doi.org/10.1001/jamapediatrics.2016.3345.
Cavkll, B. (1981) ‘Gastric emptying in infants fed human milk or infant formula’, Acta Paediatrica, 70, pp. 639–641.
Chang, C. (1990) ‘Raising Twin Babies and Problems in the Family’, Acta geneticae medicae et gemellologiae: twin research, 39(4), pp. 501–505. Available at: https://doi.org/10.1017/S0001566000003743.
Chiu, K. et al. (2014) ‘Are baby hammocks safe for sleeping babies? A randomised controlled trial’, Acta Paediatrica, 103(7), pp. 783–787. Available at: https://doi.org/10.1111/apa.12663.
Crawford, C. (1994) ‘Parenting practices in the Basque country: implications of infant and childhood sleeping location for personality development’, Ethos, 22(1), pp. 42–82.
Damato, E.G. et al. (2016) ‘Safe Sleep Infant Care Practices Reported by Mothers of Twins’, Advances in Neonatal Care, 16(6), p. E3. Available at: https://doi.org/10.1097/ANC.0000000000000332.
Damato, E.G., Brubaker, J.A. and Burant, C. (2012) ‘Sleeping arrangements in families with twins’, Newborn and Infant Nursing Reviews, 12(3), pp. 171–178.
Damato, E.G. and Burant, C. (2008) ‘Sleep patterns and fatigue in parents of twins’, Journal of Obstetric, Gynecologic & Neonatal Nursing, 37(6), pp. 738–749.
Damato, E.G. and Zupancic, J. (2009) ‘Strategies used by parents of twins to obtain sleep’, Applied Nursing Research, 22, pp. 216–220.
Dattani, N. and Cooper, N. (2000) ‘Trends in cot deaths’, Health Statistics Quarterly, 5, pp. 10–16.
Davis, K.F., Parker, K.P. and Montgomery, G.L. (2004) ‘Sleep in infants and young children: Part one: normal sleep’, Journal of Pediatric Health Care, 18(2), pp. 65–71.
Dixley, A. and Ball, H.L. (2022) ‘The effect of swaddling on infant sleep and arousal: A systematic review and narrative synthesis’, Frontiers in Pediatrics, 10. Available at: https://doi.org/10.3389/fped.2022.1000180.
Dixley, A. and Ball, H.L. (2023) ‘The impact of swaddling upon breastfeeding: A critical review’, American Journal of Human Biology, 35(6), p. e23878. Available at: https://doi.org/10.1002/ajhb.23878.
Doan, T. et al. (2007) ‘Breast-feeding increases sleep duration of new parents’, The Journal of Perinatal & Neonatal Nursing, 21(3), pp. 200–206. Available at: https://doi.org/10.1097/01.JPN.0000285809.36398.1b.
Doan, T. et al. (2014) ‘Nighttime Breastfeeding Behavior Is Associated with More Nocturnal Sleep among First-Time Mothers at One Month Postpartum’, Journal of Clinical Sleep Medicine, 10(3), pp. 313–319.
Douglas, P.S. and Hill, P.S. (2013) ‘Behavioral Sleep Interventions in the First Six Months of Life Do not Improve Outcomes for Mothers or Infants: A Systematic Review’, Journal of Developmental & Behavioral Pediatrics, 34(7), p. 497. Available at: https://doi.org/10.1097/DBP.0b013e31829cafa6.
Dunsworth, H.M. et al. (2012) ‘Metabolic hypothesis for human altriciality’, Proceedings of the National Academy of Sciences of the United States of America, 109(38), pp. 15212–15216. Available at: https://doi.org/10.1073/pnas.1205282109.
Egsgaard, S. et al. (2025) ‘Risk and timing of postpartum depression in parents of twins compared to parents of singletons’, Acta Psychiatrica Scandinavica, 151(2), pp. 163–172. Available at: https://doi.org/10.1111/acps.13766.
Ekirch, A.R. (2001) ‘Sleep We Have Lost: Pre-industrial Slumber in the British Isles’, The American Historical Review, 106(2), pp. 343–386. Available at: https://doi.org/10.1086/ahr/106.2.343.
Elias, M. et al. (1986) ‘Sleep/Wake patterns of breast-fed Infants in the first 2 years of life’, Pediatrics, 77(3), pp. 322–329.
Engler, A.C. et al. (2012) ‘Breastfeeding may improve nocturnal sleep and reduce infantile colic: Potential role of breast milk melatonin’, European Journal of Pediatrics, 171, pp. 729–732.
Feldman-Winter, L. et al. (2016) ‘Safe Sleep and Skin-to-Skin Care in the Neonatal Period for Healthy Term Newborns’, Pediatrics, p. e20161889. Available at: https://doi.org/10.1542/peds.2016-1889.
Fleming, P. et al. (1999) ‘Pacifier use and sudden infant death syndrome: results from the CESDI/SUDI case control study’, Archives of Disease in Childhood, 81(2), pp. 112–116. Available at: https://doi.org/10.1136/adc.81.2.112.
Furman, L., Minich, N. and Hack, M. (2002) ‘Correlates of lactation in mothers of very low birth weight infants’, Pediatrics, 109(4), p. e57. Available at: https://doi.org/10.1542/peds.109.4.e57.
Galbally, M. et al. (2013) ‘Breastfeeding and infant sleep patterns: an Australian population study’, Journal of Paediatrics and Child Health, 49, pp. E147–E152.
Galland, B.C. et al. (2012) ‘Normal sleep patterns in infants and children: a systematic review of observational studies’, Sleep Medicine Reviews, 16(3), pp. 213–222. Available at: https://doi.org/10.1016/j.smrv.2011.06.001.
Galland, B.C. and Elder, D.E. (2014) ‘Sudden Unexpected Death in Infancy: Biological Mechanisms’, Paediatric Respiratory Reviews, 15(4), pp. 287–292. Available at: https://doi.org/10.1016/j.prrv.2014.09.003.
Gantley, M., Davies, D.P. and Murcott, A. (1993) ‘Sudden Infant Death Syndrome: Links with Infant Care Practices’, British Medical Journal, 306, pp. 16–20.
Gay, Caryl L., Lee, K.A. and Lee, S.-Y. (2004) ‘Sleep Patterns and Fatigue in New Mothers and Fathers’, Biological Research For Nursing, 5(4), pp. 311–318. Available at: https://doi.org/10.1177/1099800403262142.
Gerhardt, S. (2014) Why Love Matters: How affection shapes a baby’s brain. 2nd edn. London: Routledge. Available at: https://doi.org/10.4324/9781315758312.
Giallo, R., Rose, N. and Vittorino, R. (2011) ‘Fatigue, wellbeing and parenting in mothers of infants and toddlers with sleep problems’, Journal of Reproductive and Infant Psychology, 29(3), pp. 236–249.
Golden, N. and Maliawan, S. (2005) ‘Clinical analysis of non-accidental head injury in infants’, Journal of Clinical Neuroscience, 12(3), pp. 235–239. Available at: https://doi.org/10.1016/j.jocn.2004.11.001.
Gómez-Robles, A. et al. (2024) ‘The evolution of human altriciality and brain development in comparative context’, Nature Ecology & Evolution, 8(1), pp. 133–146. Available at: https://doi.org/10.1038/s41559-023-02253-z.
Gordon, M. (2023) ‘Parental experiences with the promise of extinction’, in. Symposium Presentation, World Infant Mental Health Conference, Dublin, Ireland.
Gress, J.L. and et al. (2010) ‘Maternal subjective sleep quality and nighttime infant care’, Journal of Reproductive and Infant Psychology, 28(4), pp. 384–391.
Hackett, M. (2012) Back to Sleep: Creation, conflict and consequences of a public health campaign. Saarbrücken: Akademiker Verlag.
Haeusler, M. et al. (2021) ‘The obstetrical dilemma hypothesis: there’s life in the old dog yet’, Biological Reviews, 96(5), pp. 2031–2057. Available at: https://doi.org/10.1111/brv.12744.
Hake-Brooks, S.J. and Anderson, G.C. (2008) ‘Kangaroo care and breastfeeding of mother-preterm infant dyads 0-18 months: a randomized, controlled trial’, Neonatal network: NN, 27(3), pp. 151–159. Available at: https://doi.org/10.1891/0730-0832.27.3.151.
Hall, W.A., Saunders, R.A., et al. (2006) ‘Effects of an Intervention Aimed at Reducing Night Waking and Signalling in 6- to 12- Month-Old Infants.’, Behavioural Sleep Medicine, 4(4), pp. 242–261.
Hardyment, C. (1983) Dream Babies: Child Care from Locke to Spock. Jonathan Cape.
Harrison, L. (2022) Losing sleep. New York: New York University Press.
Hauck, Y.L. et al. (2011) ‘The effectiveness of an early parenting intervention for mothers with infants with sleep and settling concerns: a prospective non-equivalent before-after design’, Journal of Clinical Nursing, 21, pp. 52–62.
Hayes, M.J., Roberts, S.M. and Stowe, R. (1996) ‘Early childhood co-sleeping: Parent-child and parent-infant nighttime interactions’, Infant Mental Health Journal: Infancy and Early Childhood, 17(4), pp. 348–357. Available at: https://doi.org/10.1002/(SICI)1097-0355(199624)17:4<348::AID-IMHJ6>3.0.CO;2-I.
Hayward, K.M. et al. (2015) ‘Effect of Cobedding Twins on Coregulation, Infant State, and Twin Safety’, Journal of Obstetric, Gynecologic & Neonatal Nursing, 44(2), pp. 193–202. Available at: https://doi.org/10.1111/1552-6909.12557.
Heinig, M.J. (2010) ‘Addressing maternal fatigue: A challenge to in-hospital breastfeeding promotion’, Journal of Human Lactation, 26(3), pp. 231–232.
Heinrichs, M. et al. (2001) ‘Effects of suckling on hypothalamic-pituitary-adrenal axis responses to psychosocial stress in postpartum lactating women’, The Journal of Clinical Endocrinology and Metabolism, 86(10), pp. 4798–4804. Available at: https://doi.org/10.1210/jcem.86.10.7919.
Horne, R.S.C. (2004) ‘Influences of maternal cigarette smoking on infant arousability’, Early Human Development, 79(1), pp. 49–58. Available at: https://doi.org/10.1016/j.earlhumdev.2004.04.001.a
Horne, R.S.C. (2025) ‘How Pathophysiology Explains Risk and Protective Factors’, in R.Y. Moon (ed.) Infant Safe Sleep: A Pocket Guide for Clinicians. Cham: Springer Nature Switzerland, pp. 13–49. Available at: https://doi.org/10.1007/978-3-031-84294-8_2.
Hrdy, S.B. (1999) Mother Nature: A History of Mothers, Infants, and Natural Selection. New York: Ballantine.
Hugh, S.C. et al. (2014) ‘Infant Sleep Machines and Hazardous Sound Pressure Levels’, Pediatrics, 133(4), pp. 677–681. Available at: https://doi.org/10.1542/peds.2013-3617.
Hughes, A. and Gallagher, S. (2015) ‘A Cluster Analysis of Reported Sleeping Patterns of 9-Month Old Infants and the Association with Maternal Health: Results from a Population Based Cohort Study’, Maternal and Child Health Journal, 19, pp. 1881–1889.
Hunt, C.E. (1992) ‘The cardiorespiratory control hypothesis for sudden infant death syndrome’, Clinics in Perinatology, 19(4), pp. 757–771.
Hutchison, L.B., Stewart, A.W. and Mitchell, E.A. (2010) ‘The prevalence of cobedding and SIDS-related child care practices in twins’, European Journal of Pediatrics, 169(12), pp. 1477–1485.
Iwata, S. et al. (2017) ‘Dependence of nighttime sleep duration in one-month-old infants on alterations in natural and artificial photoperiod’, Scientific Reports, 7(1), p. 44749. Available at: https://doi.org/10.1038/srep44749.
Jaafar, S.H. et al. (2011) ‘Pacifier use versus no pacifier use in breastfeeding term infants for increasing duration of breastfeeding’, The Cochrane Database of Systematic Reviews, (3), p. CD007202. Available at: https://doi.org/10.1002/14651858.CD007202.pub2.
Jelliffe, D.B. and Jelliffe, E.F.P. (1978) ‘Human Milk in the Modern World’, British Medical Journal, 2(6151), p. 1573.
Jewitt, C., Leder Mackley, K. and Price, S. (2021) ‘Digitally-mediated parent–baby touch and the formation of subjectivities’, Visual Communication, 20(4), pp. 577–599. Available at: https://doi.org/10.1177/1470357220961412.
Joyner, B.L. et al. (2010) ‘Where Should My Baby Sleep: A Qualitative Study of African American Infant Sleep Location Decisions’, Journal of the National Medical Association, 102(10), pp. 881–889. Available at: https://doi.org/10.1016/S0027-9684(15)30706-9.
Kanits, F. et al. (2021) ‘Risk and Preventive Factors for SUDI: Need We Adjust the Current Prevention Advice in a Low-Incidence Country’, Frontiers in Pediatrics, 9. Available at: https://doi.org/10.3389/fped.2021.758048.
Keefe, M. (1988) ‘The Impact of Infant Rooming-In on Maternal Sleep at Night’, Journal of Obstetric, Gynecologic and Neonatal Nursing, 17(2), pp. 122–126.
Keefe, M.R. (1987) ‘Comparison of neonatal nighttime sleep-wake patterns in nursery versus rooming-in environments’, Nursing Research, 36(3), pp. 140–144.
Kempler, L. et al. (2016) ‘Do psychosocial sleep interventions improve infant sleep or maternal mood in the postnatal period? A systematic review and meta-analysis of randomised controlled trials’, Sleep Medicine Reviews, 29, pp. 15–22. Available at: https://doi.org/10.1016/j.smrv.2015.08.002.
Kendall-Tackett, K. (2007) ‘A new paradigm for depression in new mothers: the central role of inflammation and how breastfeeding and anti-inflammatory treatments protect maternal mental health’, International Breastfeeding Journal, 2(1), p. 6. Available at: https://doi.org/10.1186/1746-4358-2-6.
Kendall–Tackett, K., Cong, Z. and Hale, T.W. (2010) ‘Mother–Infant Sleep Locations and Nighttime Feeding Behavior: U.S. Data from the Survey of Mothers’ Sleep and Fatigue’, Clinical Lactation, 1(1), pp. 27–31. Available at: https://doi.org/10.1891/215805310807011837.
Kennedy, B. (2016) Sudden unexpected death in infancy and childhood: Multi-agency guidelines for care and investigation. London: The Royal College of Pathologists.
KLINGAMAN, K. (2009) Breastfeeding after a caesarean section: Mother-infant health trade-offs. Doctoral. Durham University. Available at: https://etheses.dur.ac.uk/102/ (Accessed: 22 June 2025).
Kramer, M.S. and Kakuma, R. (2002) ‘Optimal duration of exclusive breastfeeding’, Cochrane Database of Systematic Reviews, (1), p. CD003517. Available at: https://doi.org/10.1002/14651858.CD003517.
Kurth, E. and et al. (2010) ‘Crying babies, tired mothers – challenges of the postnatal hospital stay: An interpretive phenomenological study’, BMC Pregnancy and Childbirth, 10(21). Available at: https://doi.org/10.1186/1471-2393-10-21.
Lang, G., Edwin A. Farnell, I.V. and Quinlan, J.D. (2021) ‘Out-of-Hospital Birth’, American Family Physician, 103(11), pp. 672–679.
Leventopoulos, M. et al. (2009) ‘Early deprivation leads to long-term reductions in motivation for reward and 5-HT1A binding and both effects are reversed by fluoxetine’, Neuropharmacology, 56, pp. 692–701.
Li, D.-K. et al. (2006) ‘Use of a dummy (pacifier) during sleep and risk of sudden infant death syndrome (SIDS): population based case-control study’, BMJ, 332(7532), pp. 18–22. Available at: https://doi.org/10.1136/bmj.38671.640475.55.
Liamputtong, P. (2007) Childrearing and Infant Care Issues: A Cross-cultural Perspective. Nova Publishers.
Liebregts, H. et al. (2025) ‘Characterising non-pharmacological infant sleep interventions for theoretical underpinnings and behaviour change techniques: A scoping review’, Early Human Development, 209, p. 106346. Available at: https://doi.org/10.1016/j.earlhumdev.2025.106346.
Loudon, I. (1993) An International Study of Maternal Care and Maternal Mortality 1800–1950. New York, NY: Oxford University Press.
Lozoff, Betsy. and Brittenham, Gary. (1979) ‘Infant care: Cache or carry’, The Journal of Pediatrics, 95(3), pp. 478–483. Available at: https://doi.org/10.1016/S0022-3476(79)80540-5.
Lullaby Trust (no date) New survey shows 9 in 10 parents co-sleep but less than half know how to reduce the risk of SIDS | The Lullaby Trust. Available at: https://www.lullabytrust.org.uk/9-in-10-parents-co-sleep-but-less-than-half-know-how-to-reduce-the-risk-of-sids/ (Accessed: 1 July 2025).
Mann, P. et al. (2023) ‘Integrative Review of Cobedding of Infant Twins’, Journal of Obstetric, Gynecologic & Neonatal Nursing, 52(2), pp. 128–138. Available at: https://doi.org/10.1016/j.jogn.2022.12.004.
Mannen, E.M. (2025) ‘Infant Biomechanics and Implications for Safe Sleep’, in R.Y. Moon (ed.) Infant Safe Sleep: A Pocket Guide for Clinicians. Cham: Springer Nature Switzerland, pp. 75–92. Available at: https://doi.org/10.1007/978-3-031-84294-8_4.
Martin, R.D. (1992) ‘Primate Reproduction’, in S. Jones, R.D. Martin, and D. Pilbeam (eds) The Cambridge Encyclopedia of Human Evolution. Cambridge: Cambridge University Press, pp. 86–90.
Mccoy, R.C. et al. (2004) ‘Frequency of Bed Sharing and its Relationship to Breastfeeding’, Journal of Developmental & Behavioral Pediatrics, 25(3), p. 141.
McGarvey, C. et al. (2003) ‘Factors relating to the infant’s last sleep environment in sudden infant death syndrome in the Republic of Ireland’, Archives of Disease in Childhood, 88(12), pp. 1058–1064. Available at: https://doi.org/10.1136/adc.88.12.1058.
McGarvey, C. et al. (2006) ‘An 8 year study of risk factors for SIDS: bed-sharing versus non-bed-sharing’, Archives of Disease in Childhood, 91(4), pp. 318–323. Available at: https://doi.org/10.1136/adc.2005.074674.
McKenna, J.J., Ball, H.L. and Gettler, L.T. (2007) ‘Mother–infant cosleeping, breastfeeding and sudden infant death syndrome: What biological anthropology has discovered about normal infant sleep and pediatric sleep medicine’, American Journal of Physical Anthropology, 134(S45), pp. 133–161. Available at: https://doi.org/10.1002/ajpa.20736.
Mellor, G. and St John, W. (2010) ‘Work safety during early fatherhood’, AAOHN Journal, 58(7), pp. 297–301.
Mellor, G. and St John, W. (2012) ‘Fatigue and work safety behavior in men during early fatherhood’, American Journal of Men’s Health, 6, pp. 80–88.
Middlemiss, W. et al. (2012) ‘Asynchrony of mother-infant hypothalamic-pituitary-adrenal axis activity following extinction of infant crying responses induced during the transition to sleep’, Early Human Development, 88, pp. 227–232.
Mindell, J.A. et al. (2006) ‘Behavioral treatment of bedtime problems and night wakings in infants and young children’, Sleep, 29(10), pp. 1263–1276.
Mindell, J.A. et al. (2010) ‘Cross-cultural differences in infant and toddler sleep’, Sleep Medicine, 11(3), pp. 274–280. Available at: https://doi.org/10.1016/j.sleep.2009.04.012.
Mitchell, E.A. (2009) ‘SIDS: past, present and future’, Acta Paediatrica, 98(11), pp. 1712–1719. Available at: https://doi.org/10.1111/j.1651-2227.2009.01503.x.
Mitchell, E.A. and et al. (1993) ‘Ethnic Differences in Mortality from Sudden Infant Death Syndrome in New Zealand’, British Medical Journal, 306, pp. 13–15.
Montgomery-Downs, Hawley E., Clawges, H.M. and Santy, E.E. (2010) ‘Infant feeding methods and maternal sleep and daytime functioning’, Pediatrics, 126(6), pp. e1562-1568. Available at: https://doi.org/10.1542/peds.2010-1269.
Moon, R.Y. et al. (2012) ‘Pacifier Use and Sids: Evidence for a Consistently Reduced Risk’, Maternal and Child Health Journal, 16(3), pp. 609–614. Available at: https://doi.org/10.1007/s10995-011-0793-x.
Moon, R.Y. et al. (2016) ‘SIDS and Other Sleep-Related Infant Deaths: Evidence Base for 2016 Updated Recommendations for a Safe Infant Sleeping Environment’, Pediatrics, 138(5), p. e20162940. Available at: https://doi.org/10.1542/peds.2016-2940.
Moon, R.Y., Carlin, R.F., Hand, I., and THE TASK FORCE ON SUDDEN INFANT DEATH SYNDROME AND THE COMMITTEE ON FETUS AND NEWBORN (2022) ‘Sleep-Related Infant Deaths: Updated 2022 Recommendations for Reducing Infant Deaths in the Sleep Environment’, Pediatrics, 150(1), p. e2022057990. Available at: https://doi.org/10.1542/peds.2022-057990.
Morelli, G.A. et al. (1992) ‘Cultural variation in infants’ sleeping arrangements: Questions of independence’, Developmental Psychology, 28(4), pp. 604–613. Available at: https://doi.org/10.1037/0012-1649.28.4.604.
Morgan, Barak E., Horn, A.R. and Bergman, N.J. (2011) ‘Should Neonates Sleep Alone?’, Biological Psychiatry, 70(9), pp. 817–825. Available at: https://doi.org/10.1016/j.biopsych.2011.06.018.
Mosko, S. et al. (1996) ‘Infant sleep architecture during bedsharing and possible implications for SIDS’, Sleep, 19(9), pp. 677–684.
Mosko, S., Richard, C. and McKenna, J. (1997) ‘Infant Arousals During Mother-Infant Bed Sharing: Implications for Infant Sleep and Sudden Infant Death Syndrome Research’, Pediatrics, 100(5), pp. 841–849. Available at: https://doi.org/10.1542/peds.100.5.841.
Nakamura, S., Wind, M. and Danello, M.A. (1999) ‘Review of Hazards Associated With Children Placed in Adult Beds’, Archives of Pediatrics & Adolescent Medicine, 153(10), pp. 1019–1023. Available at: https://doi.org/10.1001/archpedi.153.10.1019.
NANN (2009) ‘NANN Position Statement 3045’, Advances in Neonatal Care, 9(6), p. 307. Available at: https://doi.org/10.1097/ANC.0b013e3181c41a8e.
National Child Mortality Database (NCMD) Programme (2022) Sudden and unexpected deaths in infancy and childhood: Thematic report (1 April 2019 – 31 March 2021). [Accessed June 2025]. London: NCMD. Available at: https://www.ncmd.info/wp-content/uploads/2022/12/SUDIC-Thematic-report_FINAL.pdf.
National Institute for Health and Care Excellence (NICE) (2021) Postnatal care: Co-sleeping risk factors (NICE Guideline NG194). [Accessed June 2025]. NICE. Available at: https://www.nice.org.uk/guidance/ng194.
Newland, R.P. and et al. (2016) ‘Goodness of fit between prenatal maternal sleep and infant sleep contributes to maternal depressive symptoms and mother–child attachment’, Infant Behavior and Development, 44, pp. 179–188. Available at: https://doi.org/10.1016/j.infbeh.2016.06.010.
NHS (2025a) Helping your baby to sleep, nhs.uk. Available at: https://www.nhs.uk/baby/caring-for-a-newborn/helping-your-baby-to-sleep/ (Accessed: 29 July 2025).
NHS (2025b) Twins and sleep, nhs.uk. Available at: https://www.nhs.uk/baby/newborn-twins-and-multiples/twins-and-sleep/ (Accessed: 30 July 2025).
North, K., Fleming, P. and Golding, J. (1999) ‘Pacifier use and morbidity in the first six months of life’, Pediatrics, 103(3), p. E34. Available at: https://doi.org/10.1542/peds.103.3.e34.
Office for National Statistics (ONS) (2023) Child and infant mortality in England and Wales. London: Office for National Statistics. Available at: https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/bulletins/childhoodinfantandperinatalmortalityinenglandandwales/2023.
Parmelee, A.H., Wenner, W.H. and Schulz, H.R. (1964) ‘INFANT SLEEP PATTERNS: FROM BIRTH TO 16 WEEKS OF AGE’, The Journal of Pediatrics, 65, pp. 576–582. Available at: https://doi.org/10.1016/s0022-3476(64)80291-2.
Paulson, J.F. and Bazemore, S.D. (2010) ‘Prenatal and postpartum depression in fathers and its association with maternal depression: A meta-analysis’, JAMA, 303(19), pp. 1961–1969. Available at: https://doi.org/10.1001/jama.2010.605.
Pepi-Pod program (2022) ‘The Pēpi-Pod® Program’, Research Features, 25 November. Available at: https://researchfeatures.com/pepi-pod-program-preventing-sudden-unexpected-death-infancy/ (Accessed: 24 June 2025).
Phillips, R. (2013) ‘The Sacred Hour: Uninterrupted Skin-to-Skin Contact Immediately After Birth’, Newborn and Infant Nursing Reviews, 13(2), pp. 67–72. Available at: https://doi.org/10.1053/j.nainr.2013.04.001.
Pinilla, T. and Birch, L.L. (1993) ‘Help me make it through the night: Behavioral entrainment of breast-fed infants’ sleep patterns’, Pediatrics, 91(2), pp. 436–444.
Ponsonby, A.L. et al. (1993) ‘Factors potentiating the risk of sudden infant death syndrome associated with the prone position’, The New England Journal of Medicine, 329(6), pp. 377–382. Available at: https://doi.org/10.1056/NEJM199308053290601.
Pryce, C.R. et al. (2004) ‘Deprivation of parenting disrupts development of homeostatic and reward systems in marmoset monkey offspring’, Biological Psychiatry, 56, pp. 72–79.
Pryce, C.R. et al. (2011) ‘The developmental impact of prenatal stress, prenatal dexamethasone and postnatal social stress on physiology, behaviour and neuroanatomy of primate offspring: Studies in rhesus macaque and common marmoset’, Psychopharmacology, 214, pp. 33–53.
Quillian, S. (1997) ‘Infant and mother sleep patterns during 4th postpartum week’, Issues in Comprehensive Pediatric Nursing, 20(2), pp. 115–123.
Rechtman, L.R. et al. (2014) ‘Sofas and infant mortality’, Pediatrics, 134(5), pp. e1293-1300. Available at: https://doi.org/10.1542/peds.2014-1543.
Renz-Polster, H. and et al. (2024) ‘Death from failed protection? An evolutionary-developmental theory of sudden infant death syndrome’, Human Nature, 35(2), pp. 153–196. Available at: https://doi.org/10.1007/s12110-024-09474-6.
Richard, C. et al. (1996) ‘Sleeping position, orientation, and proximity in bedsharing infants and mothers’, Sleep, 19(9), pp. 685–690. Available at: https://doi.org/10.1093/sleep/19.9.685.
Richardson, H.L., Walker, A.M. and Horne, R.S.C. (2010) ‘Influence of swaddling experience on spontaneous arousal patterns and autonomic control in sleeping infants’, The Journal of Pediatrics, 157(1), pp. 85–91. Available at: https://doi.org/10.1016/j.jpeds.2010.01.005.
Righard, L. and Alade, M.O. (1997) ‘Breastfeeding and the use of pacifiers’, Birth (Berkeley, Calif.), 24(2), pp. 116–120. Available at: https://doi.org/10.1111/j.1523-536x.1997.tb00351.x.
Rosenberg, K. and Trevathan, W. (2002) ‘Birth, obstetrics and human evolution’, BJOG: an international journal of obstetrics and gynaecology, 109(11), pp. 1199–1206. Available at: https://doi.org/10.1046/j.1471-0528.2002.00010.x.
Rudzik, A. E. F. and Ball, H.L. (2016) ‘Exploring Maternal Perceptions of Infant Sleep and Feeding Method Among Mothers in the United Kingdom: A Qualitative Focus Group Study’, Maternal and Child Health Journal, 20, pp. 33–40.
Rudzik, A.E.F. and Ball, H.L. (2021) ‘Biologically normal sleep in the mother-infant dyad’, American Journal of Human Biology, 33(5), p. e23589. Available at: https://doi.org/10.1002/ajhb.23589.
Salm Ward, T.C. (2020) ‘Safe sleep recommendations’, in R.Y. Moon (ed.) Infant Safe Sleep: A Pocket Guide for Clinicians. Springer Publishing, pp. 49–66.
Salm Ward, T.C. and Doering, J.J. (2014) ‘Application of a Socio-Ecological Model to Mother–Infant Bed-Sharing’, Health Education & Behavior, 41(6), pp. 577–589. Available at: https://doi.org/10.1177/1090198114543010.
Sanchez, R.E.A., Kalume, F. and de la Iglesia, H.O. (2022) ‘Sleep timing and the circadian clock in mammals: Past, present and the road ahead’, Seminars in Cell & Developmental Biology, 126, pp. 3–14. Available at: https://doi.org/10.1016/j.semcdb.2021.05.034.
Santos, I.S. et al. (2009) ‘Bed-sharing at 3 months and breast-feeding at 1 year in southern Brazil’, The Journal of Pediatrics, 155(4), pp. 505–509. Available at: https://doi.org/10.1016/j.jpeds.2009.04.037.
Sauseng, W. et al. (2011) ‘Baby Sleeping Bag and Conventional Bedding Conditions – Comparative Investigations by Infrared Thermography’, Klinische Pädiatrie, 223, pp. 276–279. Available at: https://doi.org/10.1055/s-0031-1277142.
Schluter, P.J., Paterson, J. and Percival, T. (2007) ‘Infant Care Practices Associated with Sudden Infant Death Syndrome: Findings from the Pacific Islands Families Study’, Journal of Paediatrics and Child Health, 43, pp. 388–393.
Scragg, R. et al. (1995) ‘Public Health Policy on Bed-Sharing and Smoking in the Sudden Infant Death Syndrome’, New Zealand Medical Journal, 108, pp. 218–222.
Sheldon, S.H. (2002) ‘Sleep in infants and children’, in T.L. Lee-Chiong, M.J. Sateia, and M.A. Carskadon (eds) Sleep medicine. Philadelphia: Hanley & Belfus, Inc., pp. 99–103.
Skea, Z. et al. (2022) ‘The Baby Box scheme in Scotland: A study of public attitudes and social value’, Health Expectations : An International Journal of Public Participation in Health Care and Health Policy, 25(6), pp. 3307–3314. Available at: https://doi.org/10.1111/hex.13639.
Skibiel, A.L. et al. (2013) ‘The evolution of the nutrient composition of mammalian milks’, Journal of Animal Ecology, 82(6), pp. 1254–1264.
van Sleuwen, B.E. et al. (2003) ‘Infant care practices related to cot death in Turkish and Moroccan families in the Netherlands’, Archives of Disease in Childhood, 88, pp. 784–788.
van Sleuwen, B.E. et al. (2007) ‘Swaddling: a systematic review’, Pediatrics, 120(4), pp. e1097-1106. Available at: https://doi.org/10.1542/peds.2006-2083.
Small, M.F. (1998) Our Babies, Ourselves: How Biology and Culture Shape the Way We Parent. New York, NY: Doubleday Dell Publishing Group.
St James-Roberts, I. et al. (2015) ‘Video Evidence That London Infants Can Resettle Themselves Back to Sleep After Waking in the Night, as well as Sleep for Long Periods, by 3 Months of Age’, Journal of Developmental & Behavioral Pediatrics, 36(5), p. 324. Available at: https://doi.org/10.1097/DBP.0000000000000166.
Tappin, D., Ecob, R. and Brooke, H. (2005) ‘Bedsharing, roomsharing, and sudden infant death syndrome in Scotland: a case-control study’, The Journal of Pediatrics, 147(1), pp. 32–37. Available at: https://doi.org/10.1016/j.jpeds.2005.01.035.
Tarrant, R.C., Younger, K.M. and Sheridan-Pereira, M. (2011) ‘Factors associated with duration of breastfeeding in Ireland: Potential areas for improvement’, Journal of Human Lactation, 27, pp. 262–271.
Thomasson, M.A. and Treber, J. (2008) ‘From home to hospital: The evolution of childbirth in the United States, 1928–1940’, Explorations in Economic History, 45(1), pp. 76–99. Available at: https://doi.org/10.1016/j.eeh.2007.07.001.
Thompson, E.L. and Moon, R.Y. (2016) ‘Hazard Patterns Associated With Co-sleepers’, Clinical Pediatrics, 55(7), pp. 645–649. Available at: https://doi.org/10.1177/0009922815603188.
Thompson, J.M.D. et al. (2017) ‘Duration of Breastfeeding and Risk of SIDS: An Individual Participant Data Meta-analysis’, Pediatrics, 140(5), p. e20171324. Available at: https://doi.org/10.1542/peds.2017-1324.
Tollenaar, M.S. et al. (2012) ‘Solitary sleeping in young infants is associated with heightened cortisol reactivity to a bathing session but not to a vaccination’, Psychoneuroendocrinology, 37(2), pp. 167–177. Available at: https://doi.org/10.1016/j.psyneuen.2011.03.017.
Tomori, C. (2018) ‘Changing cultures of night-time breastfeeding and sleep in the US’, in Social experiences of breastfeeding: Building bridges between research, policy and practice. Bristol, United Kingdom: Policy Press, pp. 115–130. Available at: https://doi.org/10.1332/policypress/9781447338499.003.0009.
Touchette, E. et al. (2005) ‘Factors associated with fragmented sleep at night across early childhood’, Archives of Pediatrics and Adolescent Medicine, 159(3), pp. 242–249.
Trevathan, W.R. and Rosenberg, K.R. (2016) Costly and Cute: Helpless Infants and Human Evolution. University of New Mexico Press.
Tse, L. and Hall, W. (2007) ‘A qualitative study of parents’ perceptions of a behavioural sleep intervention’, Child Care, Health and Development, 34(2), pp. 162–172.
Tully, K.P. and Ball, H.L. (2012) ‘Postnatal Unit Bassinet Types When Rooming-In After Cesarean Birth: Implications for Breastfeeding and Infant Safety’, Journal of human lactation : official journal of International Lactation Consultant Association, 28(4), pp. 495–505. Available at: https://doi.org/10.1177/0890334412452932.
Tully, K.P. and Ball, H.L. (2014) ‘Maternal accounts of their breast-feeding intent and early challenges after caesarean childbirth’, Midwifery, 30(6), pp. 712–719. Available at: https://doi.org/10.1016/j.midw.2013.10.014.
Tuohy, P.G., Smale, P. and Clements, M. (1998) ‘Ethnic differences in parent/infant co-sleeping practices in New Zealand’, The New Zealand medical journal, 111(1074), pp. 364–366.
Uvnas-Moberg (2003) The oxytocin factor : tapping the hormone of calm, love, and healing – National Library of Medicine Institution. Available at: https://catalog.nlm.nih.gov/discovery/fulldisplay/alma9911823133406676/01NLM_INST:01NLM_INST (Accessed: 1 July 2025).
Vennemann, M.M. et al. (2012) ‘Bed sharing and the risk of sudden infant death syndrome: can we resolve the debate?’, The Journal of Pediatrics, 160(1), pp. 44-48.e2. Available at: https://doi.org/10.1016/j.jpeds.2011.06.052.
Vennemann, M.M.T. et al. (2005) ‘Modifiable risk factors for SIDS in Germany: Results of GeSID’, Acta Paediatrica, 94(6), pp. 655–660.
Victora, C.G. et al. (1997) ‘Pacifier use and short breastfeeding duration: cause, consequence, or coincidence?’, Pediatrics, 99(3), pp. 445–453. Available at: https://doi.org/10.1542/peds.99.3.445.
Volkovich, E. et al. (2015) ‘Sleep patterns of co-sleeping and solitary sleeping infants and mothers: a longitudinal study’, Sleep Medicine, 16(11), pp. 1305–1312. Available at: https://doi.org/10.1016/j.sleep.2015.08.016.
Walker, M. (2017) Why We Sleep : The New Science of Sleep and Dreams. Available at: https://www.tgjonesonline.co.uk/Product/Matthew-Walker/Why-We-Sleep–The-New-Science-of-Sleep-and-Dreams/10088894 (Accessed: 15 July 2025).
Whiting, J.W.M. (1981) ‘Environmental Constraints on Infant Care Practices’, in R.H. Munroe, R.L. Munroe, and B.B. Whiting (eds) Handbook of Cross-Cultural Human Development. New York: Garland.
Widström, A.-M. et al. (2019) ‘Skin-to-skin contact the first hour after birth, underlying implications and clinical practice’, Acta Paediatrica (Oslo, Norway: 1992), 108(7), pp. 1192–1204. Available at: https://doi.org/10.1111/apa.14754.
Willinger, M. et al. (2003) ‘Trends in Infant Bed Sharing in the United States, 1993-2000: The National Infant Sleep Position Study’, Archives of Pediatrics & Adolescent Medicine, 157(1), pp. 43–49. Available at: https://doi.org/10.1001/archpedi.157.1.43.
Willinger, M., James, L.S. and Catz, C. (1991) ‘Defining the sudden infant death syndrome (SIDS): Deliberations of an expert panel convened by the National Institute of Child Health and Human Development’, Pediatric Pathology, 11(5), pp. 677–684.
Wolf, A.W. et al. (1996) ‘Parental Theories in the Management of Young Children’s Sleep in Japan, Italy and the United States’, in S. Harkness and C.M. Super (eds) Parents’ Cultural Belief Systems. London: The Guilford Press.
World Health Organization (2012) ‘Born too soon: the global action report on preterm birth’, p. 112.
Worthman, C. and Melby, M.K. (2002) ‘Toward a Comparative Developmental Ecology of Human Sleep’, in M.A. Carskadon (ed.) Adolescent Sleep Patterns: Biological, Social, and Psychological Influences. New York: Cambridge University Press, pp. 69–117.
Worthman, C.M. (2008) ‘The Evolutionary Ecology of Human Sleep’, in W.R. Trevathan, E.O. Smith, and J.J. McKenna (eds) Evolutionary Medicine and Health. Oxford: Oxford University Press, pp. 291–313.
Yamauchi, Y. and Yamanouchi, I. (1990) ‘The relationship between rooming-in/not rooming-in and breast-feeding variables’, Acta Paediatrica Scandinavica, 79(11), pp. 1017–1022. Available at: https://doi.org/10.1111/j.1651-2227.1990.tb11377.x.
Yoshida, M., Ikeda, A. and Adachi, H. (2024) ‘Contributions of the light environment and co-sleeping to sleep consolidation into nighttime in early infants: A pilot study’, Early Human Development, 189, p. 105923. Available at: https://doi.org/10.1016/j.earlhumdev.2023.105923.
Young, J. et al. (2001) Night-time infant care practices: A longitudinal study of the importance of close contact between mothers and their babies – UQ eSpace. Available at: https://espace.library.uq.edu.au/view/UQ:160472 (Accessed: 1 July 2025).
Last Reviewed: August 2025