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Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
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Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

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Nighttime sleep duration and externalizing behaviors of preschool children

Rebecca J Scharf1, Ryan T Demmer, Ellen J Silver

  • 1Division of Developmental and Behavioral Pediatrics, Department of Pediatrics, University of Virginia, Charlottesville, VA 22903, USA. rebeccascharf@virginia.edu

Journal of Developmental and Behavioral Pediatrics : JDBP
|July 11, 2013
PubMed

Insights

Preschool children sleeping less than 9.44 hours per night are more likely to exhibit externalizing behaviors. This study highlights the importance of adequate sleep for young children's behavioral health.

Area of Science:

  • Pediatric Sleep Medicine
  • Child Psychology
  • Developmental Neuroscience

Background:

  • Adequate sleep is crucial for preschool children's development and well-being.
  • Externalizing behaviors can impact a child's social and academic functioning.
  • Understanding the relationship between sleep duration and behavior is vital for early intervention.

Purpose of the Study:

  • To determine the average nighttime sleep duration for preschool children in the United States.
  • To investigate the association between shorter sleep duration and externalizing behaviors in 4-year-olds.
  • To test the hypothesis that less sleep correlates with increased behavioral issues.

Main Methods:

  • Utilized data from the Early Childhood Longitudinal Study-Birth Cohort (n ≈ 8950).
  • Assessed nighttime sleep duration via parent reports of bedtime and wake times.
  • Measured externalizing behaviors using the Preschool and Kindergarten Behavior Scale-second edition.
  • Employed multivariable regression analyses to examine sleep-behavior associations, controlling for confounders.

Main Results:

  • The average sleep duration was 10.47 hours, with a mean bedtime of 8:39 PM and wake time of 7:13 AM.
  • Children sleeping less than 9.44 hours (1 SD below the mean) showed significantly higher odds of exhibiting overactivity, anger, aggression, impulsivity, and tantrums.
  • Increased odds for annoying behaviors were also observed in shorter sleepers, though not statistically significant across all measures.

Conclusions:

  • Shorter nighttime sleep duration in preschool-aged children is linked to a greater likelihood of externalizing behavioral symptoms.
  • Parental reports indicate a clear association between insufficient sleep and behavioral challenges.
  • Findings underscore the importance of promoting healthy sleep habits in early childhood.
Abstract

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