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Sleep duration and body mass index in children and adolescents with and without obstructive sleep apnea

Marta Moraleda-Cibrián1, Louise M O'Brien

  • 1Sleep Disorders Center, Department of Neurology, University of Michigan, Ann Arbor, MI, USA.

Sleep & Breathing = Schlaf & Atmung
|November 30, 2013
PubMed

Insights

Short sleep duration in children is linked to a higher risk of obesity, even when obstructive sleep apnea (OSA) is considered. This finding highlights the importance of adequate sleep for pediatric metabolic health.

Area of Science:

  • Pediatric endocrinology
  • Sleep medicine
  • Metabolic health

Background:

  • Pediatric obesity and short sleep duration are rising public health concerns.
  • Sleep is crucial for metabolic and endocrine regulation; insufficient sleep impacts metabolism.
  • Obesity is a risk factor for obstructive sleep apnea (OSA) and is linked to metabolic dysregulation.

Purpose of the Study:

  • To investigate the association between short sleep duration and childhood obesity.
  • To determine if OSA confounds the relationship between short sleep and obesity.
  • To examine obesity risk in children with short sleep, with and without OSA.

Main Methods:

  • Retrospective study of 306 children undergoing polysomnography.
  • Obstructive sleep apnea (OSA) diagnosed with apnea/hypopnea index ≥1.
  • Short sleep duration defined as >1 hour reduction from National Sleep Foundation (NSF) recommended total sleep time (TST).

Main Results:

  • 32% of children were obese, 39.5% had short sleep duration, and 78% had OSA.
  • Frequency of short sleep duration was similar in children with and without OSA (39.6% vs. 42.4%).
  • Short sleep duration was associated with a 2.5-fold increased odds of obesity, independent of OSA.

Conclusions:

  • A parental report of total sleep time just 1 hour less than NSF recommendations is linked to increased childhood obesity risk.
  • This association persists independently of the presence of obstructive sleep apnea (OSA).
  • Ensuring adequate sleep duration is vital for preventing pediatric obesity.
Abstract

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