Factors associated with fragmented sleep at night across early childhood

Evelyne Touchette1, Dominique Petit, Jean Paquet

  • 1Sleep Disorders Center, Montreal Sacré-Coeur Hospital, Montreal, Quebec, Canada.

Insights

Parental behaviors significantly impact infant sleep consolidation. Feeding after waking at 5 months and parental presence at 17-29 months were linked to fragmented sleep, suggesting early intervention potential.

Area of Science:

  • Developmental Pediatrics
  • Sleep Medicine
  • Child Psychology

Background:

  • Sleep consolidation, the ability to sleep for extended periods, is crucial for infant development.
  • Fragmented sleep in early childhood can have long-term implications for both child and family.
  • Understanding factors influencing sleep patterns is essential for promoting healthy sleep habits.

Purpose of the Study:

  • To identify key factors associated with insufficient consecutive nighttime sleep in infants at 5, 17, and 29 months.
  • To investigate the relationship between parental behaviors and infant sleep consolidation across early childhood.

Main Methods:

  • Utilized a randomized survey design with a representative sample of 1741 infants in Quebec, Canada.
  • Collected data through home interviews and questionnaires administered to mothers.
  • Assessed consecutive nighttime sleep duration and associated factors using a cross-sectional design at 5, 17, and 29 months.

Main Results:

  • At 5 months, 23.5% of infants slept less than 6 consecutive hours.
  • Feeding after awakening was the strongest predictor of fragmented sleep at 5 months.
  • Parental presence until sleep onset was the most significant factor associated with fragmented sleep at 17 and 29 months.

Conclusions:

  • Infant sleep consolidation progresses rapidly during early childhood.
  • Parental actions at bedtime and during night awakenings strongly influence sleep consolidation.
  • Bidirectional effects between parental behavior and infant sleep may lead to persistent issues, highlighting the need for early interventions.
Abstract

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