windows 10 won't sleep 2020.

Hibernation-enabled computers must enter hibernation after the time specified in the settings. If it doesn't, it could be cause for concern as something is wrong with your system.

The difference between sleep and hibernation on Windows 10

There are several ways you can work around the issue where Windows 10 won't go to sleep. These methods include ensuring that sleep mode is enabled and that the power settings are configured correctly.

Also, before you start, it's worth checking your BIOS settings to make sure your computer is in standby or sleep mode. If this feature is disabled in the BIOS, none of the fixes below will help. Dell has a good article on how to enable hibernation in BIOS. If you have a different computer manufacturer, just google the manufacturer's name and hibernate for instructions.

what is keeping my computer from going to sleep windows 10?

The difference between sleep and hibernation on Windows 10