The control group spent about 19 percent of their sleep time in the REM stage, compared to about 17 percent for the ADHD group.

控制组在REM阶段的时间是总睡眠时间的19%，而患有adhd的研究组时间是17%。

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It involves a mask that goes over your eyes that flashes lights or emits a sound when you fall into the REM stage of sleep.

这产品有个面具，可以在你即将进入深层梦境的时候在你的眼部发出闪光，或者弄出一些声音。

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They found that rocking increased the duration of what's called N2, a non-REM stage that accounts for about half of a good night's sleep.

他们发现晃可以增加N2的持续时间。N2是就是非快速眼动阶段，占据着一整夜睡眠比例的一半。

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From that moment on the Up keeps extremely close tabs on your movement using actigraphy to tell when you've fallen asleep and whether you're in a deep REM stage or lightly snoozing.

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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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Excessive alcohol consumption disrupts the 'REM' (Rapid Eye Movement) stage of deep sleep to ruin a night's rest, according to the UK Department of Health.

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