短语 lose sleep over something 可用来表述一个人因某事而感到担忧、有压力从而失眠。这个表达常以否定形式出现来劝说人们不要有太多压力。

例句

I know changing your degree is very stressful, but don't lose sleep over it. The university will make it very straightforward.

So you got a parking ticket. Don't lose sleep over it. It's not that serious.

请注意

Sleep on something “睡在某物上” 的意思是睡一觉，暂时不做考虑，等想好了再答复。

例句

"Do you want to invest in my mobile app?"

"It sounds interesting but let me sleep on it. I'll give you an answer by the end of the week."

I'm not sure whether we can afford to get a new car. Let me sleep on it and I'll make a decision tomorrow.