The brain is as active during REM (rapid eye movement) sleep when most vivid dreams occur as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh.

匹兹堡大学的艾瑞克·诺夫辛格博士说，大脑在快速眼动睡眠期和完全清醒时一样活跃，大多数最生动的梦都发生在这个时候。

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Healthy people rotate between three states of vigilance: wakefulness, rapid eye-movement (REM) sleep and non-REM sleep.

健康人群会在三种警戒状态下转换：觉醒，快速动眼睡眠，非快速动眼睡眠。

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Alcohol can worsen insomnia and also impair rapid eye movement (REM) sleep, the time when the body is in its restorative phase.

酒精会加重失眠，也会破坏快速眼动(REM)睡眠，这正是身体处于恢复阶段的时候。

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Then REM sleep emerges, rapid eye movement sleep.

这时就进入REM快速眼动睡眠。

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Leads attached next to the eyes can capture eye movement, useful for revealing when a patient is in rapid eye movement, or REM, sleep.

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Alcohol reduces how much time we spend in rapid eye movement (REM) sleep - the stage of sleep where dreams generally occur.

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Eye movement is one of the few things that we do in both our dreams and with our bodies, hence the term Rapid Eye Movement, or REM sleep.

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