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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. During sleep, there is a marked decrease in muscle activity …

  2. Benefits of Sleep: Improved Energy, Mood, and Brain Health

    Jul 22, 2025 · Sleep is a complex biological process made up of several stages that cycle throughout the night. These stages include rapid eye movement (REM) sleep and non-REM …

  3. 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. Many factors can interfere with a good night's sleep — …

  4. About Sleep | Sleep | CDC

    May 15, 2024 · About Sleep Key points Good sleep is essential for our health and emotional well-being. Getting enough sleep and good sleep quality are essential for healthy sleep. The …

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

    Jun 19, 2023 · You spend about one-third of your life sleeping, but it’s still something many struggle with. Researchers and experts also struggle with it because of the mysteries …

  6. What happens during sleep — and how to improve it

    Jun 1, 2025 · Sleep impacts nearly every part of your health, from brain function to immune strength. Learn what happens in each phase of sleep, how to manage common disruptions, …

  7. 9 Best Foods for Better Sleep, According to Experts

    4 days ago · Dietitians share the best foods for sleep that promote relaxation and may improve the quality of your rest. Plus, foods to avoid before bed.