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How much sleep do adults need?
7–9 hours
How much sleep do adults need?
The CDC and sleep researchers recommend 7–9 hours per night for adults aged 18–64. About 35% of US adults regularly get fewer than 7 hours. Chronic sleep deprivation (< 6 hours) is associated with a 13% higher mortality risk compared to 7-hour sleepers.
Source: Watson et al. (2015), Sleep; CDC National Health Interview Survey
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Sleep Duration
How does your sleep compare to the world?