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  1. Sleep - Wikipedia

    Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. …

  2. Why Is Sleep Important? Benefits of Healthy Sleep

    Jun 11, 2026 · Sleep is more than "lights out" time. Learn what happens when you sleep and why sleep is important for your mental …

  3. Sleep: What It Is, Why It’s Important, Stages, REM & NREM

    Sleep is a body process that allows your body to rest, repair and restore itself. You need sleep to function properly. Lack of sleep has …

  4. Brain Basics: Understanding Sleep - National Institute of Neurological ...

    Feb 25, 2025 · Sleep is a complex and dynamic process that affects how you function in ways scientists are now beginning to …

  5. Sleep tips: 6 steps to better sleep - Mayo Clinic

    Jan 31, 2025 · Consider simple tips for better sleep, from setting a sleep schedule to including physical activity in your daily routine. …

  6. 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 …

  7. Sleep | Sleep | CDC

    List of non-CDC websites to find more information about sleep and sleep health. By sharing information and resources, CDC raises …

  8. How Sleep Works - Why Is Sleep Important? | NHLBI, NIH

    Mar 24, 2022 · Learn about how sleep works and why it is important for your physical and mental health.

  9. What Happens When You Sleep: Brain and Body Changes

    Jul 21, 2026 · During sleep, complicated processes take place in the brain and body. Learn about what happens when you sleep and …

  10. SLEEP | Oxford Academic

    Explore curated collections of influential articles on sleep and trauma exposure, narcolepsy, insomnia, and REM Sleep Behavior …