Excessive sleep duration has scientifically defined negative health consequences

the verdict

SUPPORTED

the evidence backs this

Recorded sources

2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Multiple studies link excessive sleep duration to adverse health outcomes, including elevated mortality risks.

The analysis

The claim specifies that excessive sleep duration has scientifically defined negative health consequences. Papers [2] and [9] explicitly provide epidemiological evidence linking long or excessive sleep duration to increased mortality risks and adverse health markers.

Evidence for · 2

Sleep Duration and Mortality in Women: Effect of Aging and Menopause.

Recorded source metadata

Ji M, Full KM, Laratta CR, Malhotra A. Sleep Duration and Mortality in Women: Effect of Aging and Menopause.. 2026. https://doi.org/10.1016/j.jsmc.2026.02.008

Paper [2] highlights a U-shaped link between sleep duration and mortality, noting that both insufficient and excessive sleep are tied to higher death rates.

Source citation format

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More for · 1

Sleep Duration and Long-Term Mortality After Stroke: A Nationwide Analysis

Recorded source metadata

Sara Hassani, Bruce Ovbiagele, Daniela Markovic, Amytis Towfighi. Sleep Duration and Long-Term Mortality After Stroke: A Nationwide Analysis. 2023. https://doi.org/10.1101/2023.12.11.23299835

Paper [9] demonstrates that long sleep duration is independently associated with a higher risk of all-cause mortality after stroke.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 7501 Aug 2026

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