I do all the time. Many times I am working on some bug or some complex issue. I give up on the problem for the day I go home, sleep and early morning (for some

I do all the time. Many times I am working on some bug or some complex issue. I give up on the problem for the day I go home, sleep and early morning (for some reason its always early morning) I actually solve the problem with minute details. When I wake up I know what the issue is. Happens at least once a month to me.