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Related Experiment Video

Updated: Jun 29, 2025

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
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Association between napping and type 2 diabetes mellitus.

Hongyi Liu1, Yingxin Wu1, Hui Zhu2

  • 1School of Public Health, Health Science Center, Ningbo University, Ningbo, Zhejiang, China.

Frontiers in Endocrinology
|April 9, 2024
PubMed
Summary

Napping longer than 30 minutes increases type 2 diabetes mellitus (T2DM) risk, particularly in women. Poor sleep and prolonged naps worsen glycemic control and increase T2DM complications.

Keywords:
interactionnappingnighttime sleep durationsleep patterntype 2 diabetes mellitus

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Area of Science:

  • Endocrinology
  • Sleep Medicine
  • Public Health

Background:

  • Type 2 diabetes mellitus (T2DM) incidence is rising globally.
  • Sleep disturbances, including napping, are increasingly recognized as potential contributors to T2DM.
  • Effective interventions for T2DM prevention and management are urgently needed.

Purpose of the Study:

  • To review the existing evidence on the association between napping and T2DM.
  • To explore potential mechanisms linking napping to T2DM development and progression.
  • To inform future T2DM intervention and prevention strategies.

Main Methods:

  • Systematic review of existing literature on napping and T2DM.
  • Analysis of epidemiological data and clinical studies.
  • Exploration of proposed biological mechanisms.

Main Results:

  • Napping, especially longer durations (>30 minutes), is associated with an increased risk of T2DM, particularly in women.
  • Non-optimal nighttime sleep exacerbates the T2DM risk associated with napping.
  • Prolonged napping may increase risks of impaired fasting glucose and elevated HbA1c levels in non-diabetic individuals.

Conclusions:

  • Napping duration is a significant factor in T2DM risk.
  • Interventions targeting napping habits and improving sleep quality may be beneficial for T2DM prevention and management.
  • Further research into the mechanisms linking napping, inflammation, hormonal changes, and circadian rhythms is warranted.