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Sleep Duration Transitions Among Children With Central Precocious Puberty Across Pubertal Development

Wen-Yu Lin1, Jia-Woei Hou2, Li Huang3

  • 1Department of Family Medicine, Taipei Medical University Hospital, Taipei Medical University, Taipei, Taiwan.

The Journal of Adolescent Health : Official Publication of the Society for Adolescent Medicine
|July 18, 2025
PubMed

Insights

Insufficient sleep and late bedtimes are linked to central precocious puberty (CPP) in girls. Maintaining adequate sleep and earlier bedtimes is recommended for girls before puberty onset.

Area of Science:

  • Pediatric Endocrinology
  • Sleep Medicine
  • Child Development

Background:

  • Central precocious puberty (CPP) is a condition where puberty begins unusually early.
  • The influence of sleep patterns on CPP development is not well understood.
  • Longitudinal sleep data in children with CPP is lacking.

Purpose of the Study:

  • To investigate sleep parameters associated with CPP in children.
  • To examine sleep duration changes before and after puberty onset.
  • To determine if insufficient sleep or later bedtimes are risk factors for CPP.

Main Methods:

  • Analysis of data from 2238 children in the Taiwan Pubertal Longitudinal Study.
  • Longitudinal assessment of sleep parameters and pubertal staging every 3 months.
  • Identification of critical sleep parameters linked to CPP onset.

Main Results:

  • CPP was associated with age, gender, fat percentage, and moderate physical activity.
  • Girls with CPP reported significantly more insufficient sleep and later bedtimes.
  • No significant association between sleep parameters and CPP risk was found in boys.

Conclusions:

  • Insufficient sleep and late bedtimes may be key factors in CPP development.
  • Recommendations include ensuring sufficient sleep and earlier bedtimes for girls, especially pre-puberty.
  • These modifiable sleep behaviors may help mitigate CPP risk.
Abstract

Keywords:
Central precocious pubertyChildrenPubertySleepSleep timing

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