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Longevity Atlas
Mostly false

„You can catch up on weekday sleep debt at the weekend.”

Depner 2019 RCT: weekend recovery sleep did not restore insulin sensitivity, and the next week was worse still. Irregular sleep timing is a mortality risk in itself (Windred 2024). It helps after a brief, occasional shortfall; not as a habit.

Sources

  1. Depner CM et al. Ad libitum weekend recovery sleep fails to prevent metabolic dysregulation during a repeating pattern of insufficient sleep. Curr Biol (2019) ↗

Last reviewed: 6 September 2026

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