If your computer keeps waking up from sleep mode, there may be a few settings you can tweak to fix the problem. Here's how to make sure your Windows 10 or Windows 11 PC stays asleep. Sometimes my computer just doesn't want to stay asleep. I can hit the sleep button, see the screen go black, hear the fans stop spinning, and still be woken up by blinding lights in the middle of the night. Does this sound like a familiar story? Even when you think …