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What daily factors affect the sleep habits of Japanese toddlers?

Emi Murata1, Arika Yoshizaki1, Takashi X Fujisawa2

  • 1Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Osaka, Japan.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|February 15, 2023
PubMed

Insights

Establishing good sleep habits in toddlers is crucial for development. Key factors for better toddler sleep include restricting media, morning outdoor play, and consistent daily routines.

Area of Science:

  • Pediatric Sleep Science
  • Developmental Psychology

Background:

  • Adequate sleep is vital for early childhood development.
  • Japanese toddlers often exhibit insufficient sleep duration and suboptimal sleep patterns.

Purpose of the Study:

  • To define minimal sleep conditions for Japanese toddlers (Nenne-criteria).
  • To identify daily factors influencing good sleep in toddlers.

Main Methods:

  • Cross-sectional analysis of online survey data from 2,124 toddlers and caregivers.
  • Comparison of daily schedules between toddlers meeting and not meeting Nenne-criteria.

Main Results:

  • Toddlers meeting Nenne-criteria demonstrated superior daytime behaviors.
  • Optimizing sleep involves restricting media, morning outdoor activity, early nap cessation, pre-bedtime calmness, regular schedules, and reduced social jetlag.

Conclusions:

  • Nenne-criteria can screen Japanese toddlers needing sleep hygiene intervention.
  • Improving toddler sleep requires guidance on daily schedules and avoiding poor sleep behaviors.
Abstract

Keywords:
daily scheduledaytime behaviorsleep habitssleep hygienesleep pressuretoddler

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