The most trivial but clear evidence of the power of breaks for me is a really tough crossword clue. I’ll be wracking my brain trying to get the answer and come

The most trivial but clear evidence of the power of breaks for me is a really tough crossword clue. I’ll be wracking my brain trying to get the answer and come up with nothing. Eventually I’ll give up and do something else, and when I pick it back up a few hours later, the answer immediately comes to me and I can’t believe I couldn’t get it before.