Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year

Jacqueline MT Henderson,1 Neville M Blampied,1 Karyn G France2 1School of Psychology, Speech and Hearing, Te Kura Mahi ā-Hirikapo, College of Science, University of Canterbury, Te Whare Wānanga o Waitaha, Christchurch, New Zealand; 2School of Health Sciences, University of Canterbury, Te Whare Wānan...

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Autores principales:	Henderson JMT, Blampied NM, France KG
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	infant sleep regulation predictors parent behavior Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/d1ee63b8075e4ceb805c4b6ffa9ef8a1
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spelling	oai:doaj.org-article:d1ee63b8075e4ceb805c4b6ffa9ef8a12021-12-02T15:24:54ZLongitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year1179-1608https://doaj.org/article/d1ee63b8075e4ceb805c4b6ffa9ef8a12020-11-01T00:00:00Zhttps://www.dovepress.com/longitudinal-study-of-infant-sleep-development-early-predictors-of-sle-peer-reviewed-article-NSShttps://doaj.org/toc/1179-1608Jacqueline MT Henderson,1 Neville M Blampied,1 Karyn G France2 1School of Psychology, Speech and Hearing, Te Kura Mahi ā-Hirikapo, College of Science, University of Canterbury, Te Whare Wānanga o Waitaha, Christchurch, New Zealand; 2School of Health Sciences, University of Canterbury, Te Whare Wānanga o Waitaha, Christchurch, New ZealandCorrespondence: Jacqueline MT HendersonSchool of Psychology, Speech and Hearing, Te Kura Mahi ā-Hirikapo, College of Science, University of Canterbury, Te Whare Wānanga o Waitaha, Private Bag 4800, Christchurch, New ZealandTel +64 33694358Email Jacki.henderson@canterbury.ac.nzBackground: An important developmental task for infants over their first few years of life is to learn to settle to sleep with a reasonably short latency, maintain sleep through the night and coordinate with family sleeping and waking schedules. A child who can reliably do this is exhibiting self-regulated sleep. Otherwise, children’s sleep may have to be other (non-self) regulated to some degree and they may exhibit pediatric sleep disturbances (e.g., extended sleep latency, and/or frequent nightwaking); these are reported by 36– 45% of parents of infants between ages four to 12 months.Purpose: To answer the question: Can infant and parent factors observed at 1 month of infant age predict which infants will have regulated sleep at 6- and 12-months of age? Prediction from 1 month has not previously been investigated.Methods: In a prospective longitudinal study, the mothers of 52 typically developing infants completed 6-day sleep diaries at 1, 3, 6, 9 and 12 months from which a composite sleep score (CSS) was derived for each child at each month. Diary reliability was assessed once (for 54% of families) using all-night videosomnography.Results: At 6 months, CSS scores were distributed bi-modally and thus differentiated into two groups by an empirically observed CSS cutoff score, with a majority (56%) of infants classified as self-sleep regulated (S-R) and the rest as non-self sleep-regulated (NS-R). At 12 months, 72% could similarly be classified as S-R, while 28% exhibited some continuing sleep disturbance. Discriminant function analysis investigated the predictors of S-R vs NS-R group membership at 6 and 12 months from parent and child variables recorded at 1 month. Parent presence at sleep onset and less total infant sleep time predicted group membership at 6 months with 94% classification accuracy, and parental presence at sleep onset and frequency of infant night wakings predicted group membership at 12 months with 85% accuracy. At 1 month, parents of infants later classified as NS-R at 6 and 12 months had higher frequencies of all settling activities than parents of those later classified as S-R.Conclusion: Variables measured at 1 month that predicted sleep status at 6 and 12 months were parental presence at sleep onset, frequency of infant night waking and total infant sleep time. The overall frequency of parent settling activities at 1 month also clearly differentiated the two sleep groups at the older ages. Parenting behaviours are modifiable factors and thus may have the potential for preventing pediatric sleep disturbances in children.Keywords: infant, sleep regulation, predictors, parent behaviorHenderson JMTBlampied NMFrance KGDove Medical Pressarticleinfantsleep regulationpredictorsparent behaviorPsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol Volume 12, Pp 949-957 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	infant sleep regulation predictors parent behavior Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	infant sleep regulation predictors parent behavior Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Henderson JMT Blampied NM France KG Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year
description	Jacqueline MT Henderson,1 Neville M Blampied,1 Karyn G France2 1School of Psychology, Speech and Hearing, Te Kura Mahi ā-Hirikapo, College of Science, University of Canterbury, Te Whare Wānanga o Waitaha, Christchurch, New Zealand; 2School of Health Sciences, University of Canterbury, Te Whare Wānanga o Waitaha, Christchurch, New ZealandCorrespondence: Jacqueline MT HendersonSchool of Psychology, Speech and Hearing, Te Kura Mahi ā-Hirikapo, College of Science, University of Canterbury, Te Whare Wānanga o Waitaha, Private Bag 4800, Christchurch, New ZealandTel +64 33694358Email Jacki.henderson@canterbury.ac.nzBackground: An important developmental task for infants over their first few years of life is to learn to settle to sleep with a reasonably short latency, maintain sleep through the night and coordinate with family sleeping and waking schedules. A child who can reliably do this is exhibiting self-regulated sleep. Otherwise, children’s sleep may have to be other (non-self) regulated to some degree and they may exhibit pediatric sleep disturbances (e.g., extended sleep latency, and/or frequent nightwaking); these are reported by 36– 45% of parents of infants between ages four to 12 months.Purpose: To answer the question: Can infant and parent factors observed at 1 month of infant age predict which infants will have regulated sleep at 6- and 12-months of age? Prediction from 1 month has not previously been investigated.Methods: In a prospective longitudinal study, the mothers of 52 typically developing infants completed 6-day sleep diaries at 1, 3, 6, 9 and 12 months from which a composite sleep score (CSS) was derived for each child at each month. Diary reliability was assessed once (for 54% of families) using all-night videosomnography.Results: At 6 months, CSS scores were distributed bi-modally and thus differentiated into two groups by an empirically observed CSS cutoff score, with a majority (56%) of infants classified as self-sleep regulated (S-R) and the rest as non-self sleep-regulated (NS-R). At 12 months, 72% could similarly be classified as S-R, while 28% exhibited some continuing sleep disturbance. Discriminant function analysis investigated the predictors of S-R vs NS-R group membership at 6 and 12 months from parent and child variables recorded at 1 month. Parent presence at sleep onset and less total infant sleep time predicted group membership at 6 months with 94% classification accuracy, and parental presence at sleep onset and frequency of infant night wakings predicted group membership at 12 months with 85% accuracy. At 1 month, parents of infants later classified as NS-R at 6 and 12 months had higher frequencies of all settling activities than parents of those later classified as S-R.Conclusion: Variables measured at 1 month that predicted sleep status at 6 and 12 months were parental presence at sleep onset, frequency of infant night waking and total infant sleep time. The overall frequency of parent settling activities at 1 month also clearly differentiated the two sleep groups at the older ages. Parenting behaviours are modifiable factors and thus may have the potential for preventing pediatric sleep disturbances in children.Keywords: infant, sleep regulation, predictors, parent behavior
format	article
author	Henderson JMT Blampied NM France KG
author_facet	Henderson JMT Blampied NM France KG
author_sort	Henderson JMT
title	Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year
title_short	Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year
title_full	Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year
title_fullStr	Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year
title_full_unstemmed	Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year
title_sort	longitudinal study of infant sleep development: early predictors of sleep regulation across the first year
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/d1ee63b8075e4ceb805c4b6ffa9ef8a1
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Longitudinal Study of Infant Sleep Development: Early Predictors of Sleep Regulation Across the First Year

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