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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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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睡眠过程中，你在两种睡眠状态中转换，快速眼动期(REM)和非快速眼动期(non - REM)，90分钟一个循环。

During sleep, you drift between two sleep states, REM (rapid eye movement) and non-REM, in 90-minute cycles.

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