Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...
“Sorrow can be alleviated by good sleep, a bath, and a glass of wine.” —Thomas Aquinas Getting enough restful sleep is not a basic luxury, it is a biologic necessity. Sleep is far more than about ...
Narcolepsy is caused by a deficiency of orexin, a brain chemical that regulates wakefulness and REM sleep. The MSLT and polysomnography are gold standards for diagnosing narcolepsy. Medications like ...
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Sleep: Facts about how and why we sleep
When a person is asleep, their core body temperature drops. Heart rate and breathing also slow down and overall metabolic activity decreases by about 10%. A sleeping body may seem inactive at first ...
Learn facts about sleep, during which the body rests, recuperates and performs essential repairs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
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