Issues could range from faulty hardware to software bugs, as we will explore below. Pressing a button on your keyboard or moving your mouse should be enough to wake up the computer from sleep mode. Some users are complaining that their Windows 10 computer won't wake up from sleep mode. It turns off the screen putting the computer into a low-power mode. The sleep mode in Windows 10 is useful for saving battery juice when taking those much-needed short breaks.
