Rolling over and over again [zhǎn zhuǎn fǎn cè]: rolling over: to turn over and over again; reversing: repeatedly. I can't sleep. It describes a person who has something on his mind or something heavy on his mind.

Example: I thought of my mother's labor again in my heart, and I tossed and turned and couldn't sleep, so I wanted to get up and keep her company.

Fān lái fù qù (翻来覆去): to describe over and over again. It also describes turning the body back and forth.

Example: I've tossed and turned this matter over and over in bed many times, but I still haven't come up with a reason for it.

Night can't sleep [yè bù néng mèi]: sleep: can't sleep. It describes how one can't sleep at night because of something in one's mind.

Example: Recently, I can't sleep at night.

Yè bù néng mián (夜不能眠): nighttime sleeplessness: there is something on one's mind that makes one unsure of oneself.

Example: Recently, I can't sleep at night.

Bed and Food [qǐn shí nán ān]: to say that one can't rest assured of what is in front of one's mind, and one is anxious to the extreme, to the extent that one can't sleep or eat well.

Example: For several days, he had trouble sleeping and eating because of his father's affairs.