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Seven hours is the minimum recommended nightly sleep for most adults.

The Claim

Seven hours of sleep per night is suitable for humans.

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The Short Version

Seven hours is generally suitable as the lower end of recommended nightly sleep for healthy adults. The statement is too broad if “humans” includes every age group, since teenagers and children generally require more sleep, and individual adult needs vary. It should not be read as a universal target or maximum.

Caveats

  • The recommendation applies to adults, not humans of every age.
  • Teenagers generally need 8–10 hours, while younger children need more.
  • Seven hours is a lower threshold; individual adults may need additional sleep.

The Receipts

  1. Recommended Amount of Sleep for a Healthy Adult: A Joint Consensus Statement of the American Academy of Sleep Medicine and Sleep Research Society - PMC

    pmc.ncbi.nlm.nih.gov

  2. FastStats: Sleep in Adults - CDC

    cdc.gov

  3. 1 in 3 adults don’t get enough sleep | CDC Online Newsroom | CDC

    archive.cdc.gov

  4. People who sleep for seven hours a night live longest - PMC

    ncbi.nlm.nih.gov

  5. Prevalence of Healthy Sleep Duration among Adults — United States, 2014 | MMWR

    cdc.gov

  6. Short Sleep Duration and Sleep Difficulties Among Adults: United States, 2024

    cdc.gov

  7. Adult Sleep Duration Health Advisory - AASM Recommendation

    aasm.org

  8. Recommended Amount of Sleep for a Healthy Adult: A Joint Consensus Statement of the American Academy of Sleep

    aasm.org

  9. Seven or more hours of sleep per night: A health necessity for adults

    aasm.org

  10. National Sleep Foundation’s sleep time duration recommendations: methodology and results summary

    sleephealthjournal.org

+ 29 more sources — see the full list on Lenz

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