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The association between sleep and early pubertal development in Chinese children: a school population-based

Jingyi Tang1,2, Tingting Yu1,2, Yanrui Jiang3

  • 1Hainan Branch, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Sanya, China.

Frontiers in Endocrinology
|December 11, 2023
PubMed

Insights

Short sleep duration and late bedtimes are linked to earlier puberty onset in children. This study highlights the importance of adequate sleep for healthy pubertal development.

Area of Science:

  • Pediatrics
  • Endocrinology
  • Sleep Medicine

Background:

  • An increasing trend of early pubertal development has been observed globally.
  • Sleep patterns may influence the timing of puberty onset.
  • Limited research exists on the specific associations between sleep duration, bedtime, and pubertal timing.

Purpose of the Study:

  • To investigate the relationship between sleep duration and bedtime with early pubertal development in children.
  • To examine these associations separately in boys and girls.
  • To control for potential confounding factors such as BMI and dietary habits.

Main Methods:

  • A cross-sectional study involving 8,007 children from two Chinese cities.
  • Sleep duration and bedtime data collected via questionnaires.
  • Early pubertal development assessed by pediatricians using Tanner staging.
  • Logistic regression models used to analyze associations, adjusting for covariates like BMI, diet, and maternal BMI.

Main Results:

  • Short sleep duration was significantly associated with early pubertal development in both boys (OR: 4.26) and girls (OR: 1.62).
  • Late bedtime on weekdays was also linked to early puberty in boys (OR: 6.39) and girls (OR: 1.93).
  • Associations remained significant after controlling for various lifestyle and demographic factors.

Conclusions:

  • Insufficient sleep duration and late bedtimes are associated with an increased risk of early pubertal development.
  • These findings emphasize the role of sleep hygiene in regulating pubertal timing.
  • Further longitudinal studies are warranted to confirm causality.
Abstract

Keywords:
associationchildrenearly pubertal developmentschoolsleep

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