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  1. Apr 5, 2024 · Everyone needs sleep, but about one in three American adults don’t get enough of it. The consequences of sleep deprivation are serious, so it’s worth learning why sleep matters, how it works, and how to give yourself the best chances of getting a good night’s sleep.

  2. Dec 8, 2023 · There are four sleep stages, including one for rapid eye movement (REM) sleep and three that form non-REM (NREM) sleep. These stages are determined based on an analysis of brain activity during sleep, which shows distinct patterns that characterize each stage.

  3. Oct 23, 2020 · Sleep is a complex and dynamic biological process that still isn’t fully understood. Learn about how sleep works and why it’s vital for overall health.

  4. Jun 19, 2023 · Sleep is a natural process that your body uses to rest and repair itself. While it might seem as simple as closing your eyes and nodding off, sleep is anything but simple. In fact, modern medicine’s understanding of sleep, what it does and how it works is just getting off the ground.

  5. Good sleep improves your brain performance, mood, and health. Not getting enough quality sleep regularly raises the risk of many diseases and disorders. These range from heart disease and stroke to obesity and dementia.

  6. Jul 3, 2019 · Sleep is as important to your physical and mental health as food and water. Find out what makes for healthy sleep, and get tips and tricks for boosting your sleep quality.

  7. We spread the word about sleep health and the crucial role it plays in our overall health and well-being. We’re committed to making sleep science simple to understand—it’s the reason we’re the go-to source for healthy sleep habits and routines. Find out more about NSF.

  8. What exactly does sleep do for your body and mind? Here’s what researchers know about the science of sleepincluding the stages of sleep, your biological clock, health connections and more.

  9. Learn how to overcome sleep difficulties and enhance your well-being with our expert tips and advice on achieving better sleep.

  10. Mar 24, 2022 · Learn how sleep affects your heart and circulatory system, metabolism , respiratory system, and immune system and how much sleep is enough. This brochure describes the differences between the types of sleep needed to feel awake and to be healthy and offers tips for getting a good night’s sleep.

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