Changes to human sleep architecture during long-duration spaceflight.

J Sleep Res · 2025 · PMC12069747 · PMID 39523514

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If SWS is reduced because of the conditions of spaceflight or displaced by REM recovery over long‐term chronic sleep loss, there may be significant consequences for those who live and work in space for long periods; for example, such sleep losses have been correlated with an increased risk of dementia (Nedergaard & Goldman, 2020 ).

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