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  • 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 and interactions with the surrounding environment
  • Why Do We Need Sleep? - Sleep Foundation
    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
  • Sleep tips: 6 steps to better sleep - Mayo Clinic
    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 — from work stress and family responsibilities to illnesses It's no wonder that quality sleep is sometimes elusive
  • Sleep: How Much You Need and Its 4 Stages
    When you sleep, your body rests, recovers and rebuilds itself through four stages Here’s how much sleep you need to feel rested
  • Sleep: Facts about how and why we sleep - Live Science
    A normal sleep cycle includes two basic stages known as rapid-eye movement, or REM sleep, and non-REM sleep In each sleep cycle, there are three stages of non-REM sleep that move the sleeper from
  • What happens during sleep — and how to improve it
    Rapid eye movement (REM) sleep is another part of your body's normal sleep cycle, lasting from just a few minutes to up to half an hour REM sleep is also known as dreaming sleep, during which your body is paralyzed but your eyes dart back and forth behind closed eyelids Your blood pressure increases, and your heart rate and breathing speed up
  • The Science of Sleep: Understanding What Happens When You . . .
    What exactly does sleep do for your body and mind? Here’s what researchers know about the science of sleep—including the stages of sleep, your biological clock, health connections and more
  • Sleep Disorder Symptoms, Causes, REM, Deep Sleep, Treatment
    Read about the stages of sleep and what happens with sleep deprivation and sleep disorders, as well as the symptoms, causes, and treatment of sleep disorders





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