What exactly happens when your system takes a snooze? Gain more insight into Windows 10 energy usage by learning about each of the six power states.

To set the sleep timer on Windows 10, you'll need to find and open your computer's "Power & Sleep" menu.

Is your PC suffering from insomnia? Does it wake up almost immediately after you tell it to go to sleep? Try generating a Power Efficiency Diagnostics Report to find the problem.

How to fix Windows 10’s sleep mode bug It appears that Sleep Mode stops working when there’s an optional system update waiting to install or if Windows attempts to install the updates ...