trustme.bro/r/…
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the claim
A specific amount of sleep is required for peak cognitive performance
the verdict
SUPPORTED
the evidence backs this
confidence 79/100

Ample scientific evidence indicates that getting a specific and adequate amount of sleep is crucial for optimal cognitive performance, whereas sleep restriction leads to measurable cognitive deficits.

Evidence for · 3
Dietary Protocols to Promote and Improve Restful Sleep: A Narrative Review.
2026 · cited by 3
Dietary and lifestyle reviews emphasize that failing to meet recommended sleep durations of 7-9 hours impairs memory and cognitive functions.
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More for · 2
Mendelian randomization study of self-reported long sleep duration, short sleep duration, and insomnia and cognitive function
2025 · cited by 1
Mendelian randomization analysis demonstrates a causal link between short sleep duration and declines in cognitive and memory performance.
The impact of physical activity intensity and sleep duration on cognitive function: The mediating and moderating roles of sleep duration
2025 · cited by 1
Empirical data confirms that sleep duration positively predicts cognitive performance and buffers against cognitive deficits.
The paper trail · every fact has a biography
first checked01 Aug 2026
judged → SUPPORTED · 7901 Aug 2026
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