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the claim

Sleeping only 6 hours a night causes weight gain in adults.

the verdict
INSUFFICIENT LEANING
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.

Is it true that sleeping only 6 hours a night causes weight gain in adults?

Unclear. Two peer-reviewed sources report an association between short sleep duration and weight gain in adults, but both describe it as a correlation or a possible mechanism rather than establishing that sleeping six hours a night causes weight gain.

Verdict: PARTIAL LEAN · 2 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 2
The Association Between Sleep Duration and Weight Gain in Adults: A 6-Year Prospective Study from the Quebec Family Study -
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The Association Between Sleep Duration and Weight Gain in Adults: A 6-Year Prospective Study from the Quebec Family Study - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1093/sleep/31.4.517

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More for · 1
Sleep and Cardiometabolic Health: A Narrative Review of Epidemiological Evidence, Mechanisms, and Interventions.
2025
Get citation
T, D. (2025). Sleep and Cardiometabolic Health: A Narrative Review of Epidemiological Evidence, Mechanisms, and Interventions.. doi.org. https://doi.org/10.2147/ijgm.s563616

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