He has never fully woken since the crash.

VOA: special.2010.05.21

From the mere fact that they can't picture from the inside what it's like to have fainted and not yet woken up, it doesn't mean that nobody believes that they ever faint.

仅从无法设身处地,想象昏倒的感受，不代表没人相信自己会昏倒。

耶鲁公开课 - 死亡课程节选

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