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  1. How much sleep do you actually need? - Harvard Health

    Oct 30, 2023 · Sleep quality counts as much as hours logged. On average, how many hours do you sleep each night? For most healthy adults, guidelines suggest at least seven hours of slumber. But …

  2. How Much Sleep Do You Need? - Sleep Foundation

    Jul 11, 2025 · Key Takeaways Most healthy adults need between seven and nine hours of sleep each night. Infants, young children, and teenagers should get more sleep to support their growth and …

  3. How many hours of sleep are enough? - Mayo Clinic

    Feb 1, 2025 · For adults, getting less than seven hours of sleep a night on a regular basis has been linked with poor health, including weight gain, having a body mass index of 30 or higher, diabetes, …

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  4. About Sleep | Sleep | CDC

    May 15, 2024 · Quality sleep means you are getting uninterrupted and refreshing sleep. Getting quality sleep is not just about how many hours you sleep, but how well you sleep.

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  5. How much sleep do I need? - MD Anderson Cancer Center

    Oct 15, 2025 · Most adults need between 7 to 9 hours of sleep per night, studies suggest. Experts have created these recommendations using data from hundreds of high-quality research studies exploring …

  6. This Is How Much Sleep You Need Every Single Night

    Dec 8, 2025 · Here’s a full breakdown of how much sleep you need at every age, straight from The National Sleep Foundation's research. When in doubt, adults should aim for seven to nine hours to …

  7. How Much Sleep Do You Need by Age? - MedicineNet

    Dec 5, 2025 · Getting enough sleep is essential for your health. However, the amount of sleep you need varies depending on your age, gender, activity level, and even your genes. Children and teenagers …

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  8. How Much Sleep Do You Really Need? - National Sleep Foundation

    Nov 17, 2025 · How many hours of sleep you should get varies by person and age, but most people need between seven and nine hours each night.

  9. How Much Sleep Do I Need? - WebMD

    Oct 21, 2024 · Most adults need 7 to 9 hours, although some people may need as few as 6 hours or as many as 10 hours of sleep each day. Older adults (ages 65 and older) need 7-8 hours of sleep each …

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  10. How Much Sleep Do You Really Need? - sciencenewstoday.org

    May 18, 2025 · It’s backed by solid epidemiological data suggesting that most adults perform best—physically, cognitively, emotionally—when they get around eight hours of sleep each night. But …