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Longitudinal Analysis of Sleep Duration and Cardiometabolic Risk in Young Children

Lesley Plumptre1, Laura N Anderson1,2, Yang Chen3

  • 11 Child Health Evaluative Sciences, The Hospital for Sick Children , Toronto, Ontario, Canada .

Childhood Obesity (Print)
|November 16, 2018
PubMed

Insights

Early childhood sleep duration did not impact overall cardiometabolic risk in later childhood. However, shorter sleep was linked to higher high-density lipoprotein (HDL) levels, warranting further investigation into sleep

Area of Science:

  • Pediatric Health
  • Sleep Science
  • Cardiovascular Health

Background:

  • Cardiometabolic risk (CMR) in children is a growing concern.
  • Understanding early life factors influencing CMR is crucial for preventative strategies.
  • Sleep duration is a modifiable behavior with potential links to child health outcomes.

Purpose of the Study:

  • To investigate the association between early childhood sleep duration and cardiometabolic risk in later childhood.
  • To examine the relationship between sleep duration and individual cardiometabolic factors, including BMI z-score.
  • To assess the utility of a cardiometabolic risk cluster score in this cohort.

Main Methods:

  • Prospective cohort study utilizing data from the TARGet Kids! network.
  • Inclusion of 597 children with parent-reported sleep duration (12-36 months) and CMR factors (36-96 months).
  • Multivariable linear regression analysis to determine associations, adjusting for covariates.

Main Results:

  • Average sleep duration in early childhood was 11.8 hours, with 87% meeting recommendations.
  • No significant association was found between early childhood sleep duration and the later childhood CMR cluster score.
  • Shorter sleep duration in early childhood was associated with higher high-density lipoprotein (HDL) concentrations (adjusted β = -0.028, p = 0.009).

Conclusions:

  • Early childhood sleep duration does not appear to be associated with overall cardiometabolic risk in later childhood.
  • A potential association between shorter sleep duration and higher HDL levels in later childhood requires further investigation.
  • Future research should consider sleep quality alongside sleep duration to fully understand its impact on cardiometabolic health.
Abstract

Keywords:
BMIcardiometabolic riskchildhoodsleep

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