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Prevalence of Sleep Disorder in Chinese Preschoolers: A National Population-Based Study

Jing Hua1, Jiajun Lyu1, Wenchong Du2

  • 1Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China.

Nature and Science of Sleep
|December 1, 2022
PubMed

Insights

A study of over 114,000 Chinese preschoolers found a high prevalence of sleep disorders, with over 76% affected. Specific issues like bedtime resistance and daytime sleepiness were common, suggesting a need for culturally specific guidelines.

Area of Science:

  • Pediatric Sleep Medicine
  • Public Health Research
  • Child Psychology

Background:

  • Sleep disorders are a growing concern in pediatric populations worldwide.
  • Understanding sleep patterns in preschoolers is crucial for healthy development.
  • Limited data exists on the prevalence and types of sleep disorders in Chinese preschoolers.

Purpose of the Study:

  • To determine the prevalence of clinical sleep disorders in Chinese preschoolers aged 3-5 years.
  • To examine sleep behaviors and common sleep problems in this demographic.
  • To analyze variations in sleep disorders based on sex and age.

Main Methods:

  • A national population-based cohort study involving 114,311 children aged 3-5 years from 551 Chinese cities.
  • Parental reporting of children's daily sleep hours and sleep disorders using the Children's Sleep Habits Questionnaire (CSHQ).

Main Results:

  • An overall sleep disorder prevalence of 76.78% was estimated in Chinese preschoolers.
  • High rates of specific disorders included bedtime resistance (97.00%), daytime sleepiness (77.68%), and insufficient sleep duration (70.24%).
  • Prevalence varied significantly across different sexes and age groups within the study population.

Conclusions:

  • Chinese preschoolers exhibit a high prevalence of sleep disorders, with distinct patterns compared to other cultures.
  • The findings suggest a potential need for culturally adapted diagnostic standards when using tools like the CSHQ in China.
  • Further research into the causes of high sleep disorder prevalence and the implementation of supportive interventions is recommended.
Abstract

Keywords:
Chinese preschoolernational prevalencesleep disorderthe Children’s Sleep Habits Questionnaire

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