我们会经历一些深层且安静的睡眠以及一些活跃的睡眠，而活跃的睡眠时期正是做梦的时候。

We experience some deep, quiet sleep and some active sleep, which is when dreams happen.

youdao

就想睡眠一样，冥想减少了感官输入，这种安静的状态可以为神经细胞加强和巩固新信息和记忆提供了时间。

Meditation, like sleep, reduces sensory input, and this quiet state may provide a time for neurons to process and solidify new information and memories.

youdao

睡眠中的她是那样的平和、安静。

She was perfectly peaceful and silent in her sleep.

youdao

There is slow-wave sleep or "quiet sleep."

第一种是慢波睡眠，“安静的睡眠”

耶鲁公开课 - 心理学导论课程节选