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Bookmark or Share- Science of Sleep: What is Sleep? | Sleep Medicine - Harvard UniversitySleep is a state that is characterized by changes in brain wave activity, breathing, heart rate, body temperature, and other physiological functions. Depending on the sleep stage, different physiological functions may be more active and variable (for example, during REM sleep), or less active and more stable (for example, during NREM.
- Why Do We Need Sleep? - Sleep FoundationEveryone 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.
- Sleep - WikipediaSleep 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 and interactions with the surrounding environment.
- Brain Basics: Understanding Sleep | National Institute of Neurological ...Brain Basics. SHARE: Brain Basics: Understanding Sleep. Sleep is an important part of your daily routine—you spend about one-third of your time doing it. Quality sleep—and getting enough of it at the right times—is as essential to survival as food and water.
- Sleep: What It Is, Why It’s Important, Stages, REM & NREMSleep 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.
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