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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. 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 — …

  3. Sleep: How Much You Need and Its 4 Stages - Cleveland Clinic …

    Dec 3, 2021 · Sleep is a catch-all that benefits your physical, mental and emotional health. When you’re sleeping, your body has the chance to rest and recover — and these restorative …

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

    Jun 19, 2023 · Sleep is a normal body process that allows your body and brain to rest. At first glance, sleep is deceptively simple. For most people, it’s just a matter of getting comfortable, …

  5. 8 Health Benefits of Sleep

    Jul 10, 2025 · Like eating nutritious food, drinking water, and exercising regularly, getting quality sleep is an important component of overall health. Although the exact reasons humans need …

  6. Brain Basics: Understanding Sleep - National Institute of …

    Feb 25, 2025 · Sleep affects almost every type of tissue and system in the body—from the brain, heart, and lungs to metabolism, immune function, mood, and disease resistance.

  7. 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 …

  8. The Science of Sleep: Understanding What Happens When You …

    Sleep accounts for one-quarter to one-third of the human lifespan. But what exactly happens when you sleep? Before the 1950s, most people believed sleep was a passive activity during …

  9. Healthy Sleep: How Much You Need, Tips, Benefits, Treatment

    Nov 4, 2024 · Most adults should aim to get 7 or more hours of uninterrupted sleep each night. Keep reading to learn about habits for getting good sleep and what to do if you find it hard to …

  10. How to Sleep Better - Harvard Health

    Jan 19, 2024 · Proper sleep has many health benefits and is essential for optimal well-being. Lack of sufficient sleep can trigger mild to potentially life-threatening consequences, from weight …