If I am stuck in a problem, and I'm close to mental exhaustion, I turn off the computer, do something entirely different, get some rest, and come back to it tom

If I am stuck in a problem, and I'm close to mental exhaustion, I turn off the computer, do something entirely different, get some rest, and come back to it tomorrow. The next day, I often discover a solution I didn't realize before, or that same problem/bug goes away somehow, most likely because I was too tired and overlooked something.