Verb
lose sleep (third-person singular simple present loses sleep, present participle losing sleep, simple past and past participle lost sleep)
(often with over) To worry.
I won't be losing sleep over the national budget deficit.
No man should ever lose sleep over public affairs. Harold Macmillan
Why would I lose sleep when I really need valuable sleep just to recuperate and come back and do my job? Christine Baranski
Control what you can control. Don't lose sleep worrying about things that you don't have control over because, at the end of the day, you still won't have any control over them. Cam Newton
Don't lose sleep over things you cannot change! Wash away guilt - it's not worth it. Denise Austin
I lose sleep at night wondering whether we are intelligent enough to figure out the universe. I don't know. Neil deGrasse Tyson
When I'm doing something I love, I can lose sleep. I can go and go and go and go. My work ethic is pretty intense. But when it comes to doing something that I don't love every day, I'm not very good at it. That's called work, and I don't like work that much. Queen Latifah