Randomized Trialhigh evidence
Prolonged Short Sleep and Its Effect on Body Weight and Composition : A Pooled Analysis of Randomized Trials.
Annals of internal medicine·July 7, 2026·PMID 42407080
Why it mattersFor clinicians focused on performance and longevity, this study provides experimental evidence that even modest, sustained sleep curtailment can promote weight gain and alter energy balance behaviors. It underscores the importance of sleep optimization as a component of weight management and metabolic health strategies.
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