How to sleep your Windows 10 or 11 PC?. If your computer continues waking up from sleep mode, alter certain settings. Like dissatisfied toddlers, my two computers won't sleep. I hit Sleep, wait for the fans to quiet, and am roused at 2 a.m. by my motherboard's bright lights. Here are some techniques to diagnose the problem and shut down your computer for the night. More … [Read more...] about How To Stop Windows From Randomly Waking From Sleep Mode