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Sleep duration and obesity in children: A systematic review and meta-analysis of prospective cohort studies

Lian Li1, Shuang Zhang1,2, Yubei Huang1

  • 1Department of Epidemiology and Biostatistics, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.

Journal of Paediatrics and Child Health
|January 11, 2017
PubMed

Insights

Short sleep duration significantly increases the risk of childhood obesity. Promoting adequate sleep is crucial for public health initiatives aimed at combating pediatric obesity.

Area of Science:

  • Pediatric Health
  • Epidemiology
  • Public Health

Background:

  • Childhood obesity is a significant global health concern.
  • Emerging evidence suggests a potential link between sleep duration and pediatric obesity.

Purpose of the Study:

  • To conduct a systematic review and meta-analysis.
  • To estimate the association between sleep duration and childhood obesity or Body Mass Index (BMI).

Main Methods:

  • Systematic search of PubMed, Embase, and Cochrane Library.
  • Meta-analysis of prospective cohort studies using pooled relative risk (RR) and 95% confidence intervals (CI).
  • Review of studies focusing on BMI change or subsequent BMI status.

Main Results:

  • 12 studies (15 populations) included in the meta-analysis.
  • Short sleep duration was significantly associated with obesity (RR: 1.45; 95% CI: 1.14-1.85).
  • Robust association confirmed after heterogeneity adjustment (RR: 1.30; 95% CI: 1.20-1.42).

Conclusions:

  • Short sleep duration is a risk factor for childhood obesity.
  • Public health strategies encouraging sufficient sleep may help prevent pediatric obesity.
Abstract

Keywords:
body mass indexchildmeta-analysisobesitysleep duration

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