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

where is the garbage, did I take the garbage out?"

垃圾在哪里，我倒了吗？”

耶鲁公开课 - 心理学导论课程节选