When you're in dreamless sleep, you're not imagining or experiencing anything.

当在无梦的睡眠中时，你没有想象或者体验任何事。

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I didn’t wake up until 4am the next day, and it felt like I was in a deep, dreamless sleep.

结果直到第二天早上4点我才醒过来。感觉这是一次很沉的几乎无梦的睡眠。

youdao

Dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to a sound when apparently fast asleep.

无梦睡眠则要浅得多。我们都看到过猫和狗在显然的酣睡中，有一点响动耳朵就会竖起来。

youdao

Dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to a sound when apparently fast asleep.

无梦睡眠则要浅得多。我们都看到过猫和狗在显然的酣睡中，有一点响动耳朵就会竖起来。

youdao