psi I mentioned that we can also solve for psi here, which is the wave function, and we're running a little short on time,

我说过我们也可以解,波函数，我们讲的稍微有点慢，

麻省理工公开课 - 化学原理课程节选

Then you get successively deeper, II through IV, slow, irregular, high amplitude delta waves, and then once you reach stage IV you start going up again, up through stage III and II.

然后睡得越来越深，从第二到第四阶段，慢，不规则，高振幅的δ波，等你到达第四阶段，你又开始返回，第三阶段和第二阶段。

耶鲁公开课 - 心理学导论课程节选

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

So, if you're woken up during slow-wave sleep you're going to be thinking "Did I take the-- yes, while I was dreaming I was thinking about the garbage," but if you're woken up during REM, "But a monkey was eating my grandmother," and that sort of thing. So, there is a distinction.

在慢波睡眠中醒过来,你会想“我倒垃圾了吗？,原来我睡觉是想着倒垃圾了”,但如果你在REM睡眠中醒过来，“天啊，有只猴子在吃我奶奶”,这就是真正的梦和半睡半醒的想法之间的区别。

耶鲁公开课 - 心理学导论课程节选