"Sleeping on it" also works for me as well. Often I'll think of a super difficult problem right before going to bed intentionally so I can get my subconscious

"Sleeping on it" also works for me as well. Often I'll think of a super difficult problem right before going to bed intentionally so I can get my subconscious working on it through the night. It works wonders. The next morning I usually have some insight... maybe not the whole solution but progress.