Install Free Gold Price Widget!
Install Free Gold Price Widget!
Install Free Gold Price Widget!
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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: How Much You Need and Its 4 Stages - Cleveland Clinic Health . . .
When you sleep, your body rests, recovers and rebuilds itself through four stages Here’s how much sleep you need to feel rested
- Sleep tips: 6 steps to better sleep - Mayo Clinic
The recommended amount of sleep for a healthy adult is at least seven hours Most people don't need more than eight hours in bed to be well rested Go to bed and get up at the same time every day, including weekends
- About Sleep | Sleep | CDC - Centers for Disease Control and Prevention
Good sleep is essential for our health and emotional well-being Getting enough sleep and good sleep quality are essential for healthy sleep The amount of sleep you need changes as you age Talk to your healthcare provider if you have problems sleeping
- 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 Sleep
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
- Science of Sleep: What is Sleep? | Sleep Medicine - Harvard University
Fifty years of research on brain activity and physiological patterns of sleeping has revealed a great deal about what sleep is and what it is not We all have at least a vague notion of what sleep is, but that doesn't mean that defining this mysterious part of our lives is simple
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