What happened to the sleep function? Win8.1 system can't sleep

After upgrading from win8 to win8.1 system, many users will find that there are still some problems in the new system. Although there is sleep function in win8.1 system, but they can't sleep, even if they sleep, they can't wake up and restart. Let win8.1 new system feel embarrassed. Let us now look at how to solve it.
1. Update the graphics driver, you can use the driver wizard to update, or directly to the official website to get the latest official updates.

2. Open the registry HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Power in turn, and delete AwayModeEnabled.

Sleep is not a shutdown, the sleep function exists to allow the computer to take a small break while quickly entering the system. If you can't wake up when you sleep, what is the difference between it and the shutdown? More realistic users can try it.