Dose-response relationship between nighttime sleep duration and intrinsic capacity declines among Chinese elderly: a cross-sectional study from CHARLS.

BMC Public Health · 2025 · PMC11917026 · PMID 40098027

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marginally significantno p-value reported

A Taiwan-based study explored sleep quality and intrinsic capacity decline [ 30 ], reporting a marginally significant negative correlation between long sleep duration and intrinsic capacity impairment.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.