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Short sleep duration and irregular bedtime are associated with increased behavioral problems among Japanese

Yoko Komada1, Takashi Abe, Isa Okajima

  • 1Department of Somnology, Tokyo Medical University, Tokyo, Japan. ykoma@tokyo-med.ac.jp

The Tohoku Journal of Experimental Medicine
|May 28, 2011
PubMed

Insights

Poor sleep habits in preschoolers are linked to behavioral issues like aggression and attention problems. Ensuring adequate and regular sleep, managed by mothers, is crucial for children

Area of Science:

  • Child Psychology
  • Sleep Medicine
  • Developmental Pediatrics

Background:

  • Sleep problems are established risk factors for emotional and behavioral difficulties in children and adolescents.
  • Limited research exists on the specific links between sleep habits and behavioral problems in large, nonclinical preschool populations.

Purpose of the Study:

  • To investigate the relationships between sleep habits and behavioral problems in preschool-aged children (2-5 years).
  • To identify factors associated with the sleep habits of preschool children.

Main Methods:

  • Survey of 1,746 mothers regarding their children's sleep habits, behavior problems, and their own sleep/work schedules.
  • Analysis of data collected from Tokyo metropolitan public nursery schools.
  • Statistical analysis including univariate and multivariate logistic regression.

Main Results:

  • Short sleep duration in 2-3 year olds correlated with higher aggression scores.
  • Irregular bedtimes in 4-5 year olds were associated with higher aggression and attention problem scores.
  • Children's late bedtimes linked to mothers' late waking, leaving, and returning home times.

Conclusions:

  • A significant association exists between behavioral problems and poor sleep habits in preschool children.
  • Adequate and regular sleep is essential for mitigating behavioral issues in young children.
  • Maternal management of children's sleep is vital for promoting sleep-related health.

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