# Sleep duration and all-cause mortality: a systematic review and meta-analysis of prospective studies

Cappuccio FP, D'Elia L, Strazzullo P, Miller MA · Sleep 33(5):585–592 · 2010



## Key finding

Both short (<7 h) and long (>8–9 h) habitual sleep are associated with higher mortality — a U-shaped curve.



[Read the paper](https://pubmed.ncbi.nlm.nih.gov/?term=Sleep+duration+and+all-cause+mortality:+a+systematic+review+and+meta-analysis+of+prospective+studies)

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Educational summary of published research, not medical advice. Screening scores are not diagnoses. If a score is elevated or you feel unwell, talk to a clinician.

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