Sleep thought" is the sort of thing you get typically before you fall asleep and it's like "did I take the garbage out, ??

半睡半醒的想法是指那些,你睡着前所想到的东西,例如“我倒垃圾了吗？

耶鲁公开课 - 心理学导论课程节选

I'm afraid that you are sleeping, continue working hard.

我担心你睡着了，要继续努力学习哦！

I'm afraid of 课堂 - SpeakingMax英语口语达人

If the person next to you is asleep, gently wake him or her up.

如果你身边的人睡着了，轻轻地把他或她唤醒。

哈佛公开课 - 幸福课课程节选

Well, that's at least an improvement, because then we say, look, while you're asleep, even though there's no P-functioning going on, the lack of P-functioning is temporary, so you're still alive.

这至少算是个改进，因为我们能说，看，你睡着了，即便没有任何人格功能性发生，人格功能性的缺少是暂时的，就说明你还活着。

耶鲁公开课 - 死亡课程节选