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Sleep Duration and Risk of Type 2 Diabetes

Alicja R Rudnicka1, Claire M Nightingale2, Angela S Donin2

  • 1Population Health Research Institute, St George's, University of London, London, United Kingdom; and arudnick@sgul.ac.uk.

Pediatrics
|August 17, 2017
PubMed

Insights

Longer sleep duration in childhood is linked to lower type 2 diabetes risk markers. This study found inverse associations between sleep and key indicators like BMI and insulin resistance, suggesting sleep as a potential prevention strategy.

Area of Science:

  • Pediatric Endocrinology
  • Sleep Medicine
  • Metabolic Health

Background:

  • Childhood sleep duration's impact on type 2 diabetes (T2D) risk markers is understudied.
  • Limited research exists on the relationship between sleep patterns and metabolic health in children.

Purpose of the Study:

  • To investigate the association between self-reported sleep duration and T2D risk markers in UK children.
  • To explore how sleep duration correlates with anthropometric, metabolic, and cardiovascular risk factors in a pediatric cohort.

Main Methods:

  • A cross-sectional study involving 4525 multiethnic children aged 9-10 years.
  • Sleep duration assessed via self-report and validated with accelerometry in a subset.
  • Statistical analysis using multilevel linear regression models adjusted for various covariates.

Main Results:

  • Children sleeping longer had significantly lower BMI, fat mass index, insulin resistance (HOMA-IR), and fasting glucose levels.
  • A 1-hour increase in sleep duration correlated with a 0.19 decrease in BMI and a 2.9% decrease in HOMA-IR.
  • Associations between sleep duration and insulin/glucose remained significant even after adjusting for adiposity.

Conclusions:

  • A novel inverse association was identified between sleep duration and T2D risk markers in childhood.
  • Findings suggest that adequate sleep may be a simple strategy for early prevention of type 2 diabetes.
  • Further intervention studies are recommended to confirm causality and explore practical applications.
Abstract

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