Sleep Needs by Age
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26–64 years
7–9 hours per day
Why sleep needs change with age: Infants and children need more sleep to support rapid brain development and growth. As we age, sleep architecture shifts — deep sleep decreases, and circadian rhythms change, especially after age 65. Adults typically need 7–9 hours, but individual variation exists.
Based on guidelines shared by @stats_feed · World of Statistics