在快速眼动睡眠周期之间，我们还有非快速眼动睡眠，包括深度睡眠和慢波期睡眠。

In between cycles of REM sleep, we have non-REM sleep, which includes deep or 'slow-wave' sleep.

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与静静地休息及没快速眼动睡眠相比，有快速眼动期睡眠的人成功地解决问题的机会增加了。

Compared with quiet rest and non-REM sleep, REM sleep increased the chances of success on the problem-solving task.

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在快速眼动（REM）睡眠期和非快速眼动睡眠期都会有梦境生成。

Dreams occur in both rapid-eye movement (REM) sleep, and non-REM sleep.

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Then there is REM sleep.

第二种就是快速眼动睡眠。

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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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