segunda-feira, novembro 27, 2006

Sono REM

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"Rapid eye movement (REM) sleep is the stage of sleep characterized by rapid movements of the eyes. It was discovered by Nathaniel Kleitman and Eugene Aserinsky in 1952. During this stage, the activity of the brain's neurons is quite similar to that during waking hours; for this reason, the phenomenon is often called paradoxical sleep. Most of the vividly recalled dreams occur during REM sleep."

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fonte: Wikipedia.

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