Adherence
Daytime napping, particularly long-duration naps (>= 1 hour), is associated with an increased risk of all-cause mortality, type 2 diabetes, and chronic respiratory disease, likely serving as a marker for underlying health issues or sleep deprivation compensation.
If you find yourself needing long daytime naps (over 1 hour), view it as a signal to prioritize your nighttime sleep. Long naps are associated with higher risks of diabetes and mortality, especially in older adults. Focus on getting 7-8 hours of quality nighttime sleep rather than relying on long daytime naps to compensate.
daytime napping was significantly associated with an increased risk of dying... For naps of less than 1 h, the risk was increased by an average 14%, whereas for naps longer than 1 h, the risk increased further to an average 32%.
Why this rating
Evidence is mixed across populations (Mediterranean vs. US/Israel), with some studies showing benefit and others showing harm, suggesting confounding by health status.
Source
Sleep and Cardio-Metabolic Disease
Francesco P. Cappuccio et al. · Current Cardiology Reports · 2017
DOI 10.1007/s11886-017-0916-0
Related findings · Adherence
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This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →