Sleep accounts for one-quarter to one-third of the human lifespan. But what exactly happens when you sleep? Before the 1950s, most people believed sleep was a passive activity during which the body Ò€¦

During sleep, there is a marked decrease in muscle activity and Ò€¦ Aasm-accredited sleep centers provide diagnostic and therapeutic care for people who have problems related to sleep and alertness. Sleep disorders include obstructive sleep apnea, chronic insomnia, Ò€¦

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