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Updated: Feb 20, 2026
08:20
Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
Published on: October 2, 2019
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Multiple Health Outcomes of Daytime Napping: A Comprehensive Umbrella Review
Pengqiang Du1, Jiqian Li2, Zixin Hua2
1Department of Pharmacy, Fuwai Central China Cardiovascular Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China.
Public Health Reviews
|February 19, 2026
Summary
Napping for less than 60 minutes enhances cognition and reduces health risks. Longer naps increase the risk of heart disease, diabetes, and obesity, underscoring the importance of nap duration for overall health.
Area of Science:
- Sleep Science
- Public Health
- Epidemiology
Background:
- The relationship between napping duration and various health outcomes is complex and requires clarification.
- Understanding dose-response effects is crucial for public health recommendations regarding sleep habits.
Purpose of the Study:
- To clarify the dose-response relationship between napping duration and multiple health outcomes.
- To synthesize evidence from existing meta-analyses on napping and health.
Main Methods:
- Umbrella review methodology following JBI guidelines.
- Systematic search of PubMed, Web of Science, Cochrane Library, and EMBASE.
- Quality assessment using AMSTAR-2 and GRADE, with random effects modeling and sensitivity analysis.
Main Results:
- 16 meta-analyses covering 244 outcomes were included.
- Napping <60 minutes improved cognitive function (SMD = 0.69) and reduced fatigue, mortality, and chronic disease risk.
- Napping >60 minutes was associated with increased risk of coronary heart disease (30%), diabetes, and obesity (20%); short naps (20-30 min) enhanced athletic performance (SMD = 0.99).
Conclusions:
- Limiting nap duration to ≤60 minutes optimizes cognitive and physical benefits while mitigating chronic disease risks.
- Individuals with chronic conditions should avoid prolonged naps (>60 minutes) and prioritize nighttime sleep quality.
- Nap duration is a critical factor influencing health outcomes, with shorter naps generally associated with greater benefits.
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