PC Won't Wake From Sleep or Keeps Waking Up
Restart Windows
Restart the PC before changing power settings.
Update drivers
Install current:
GPU drivers
Chipset drivers
Network drivers
Check which device woke the PC
Open Terminal as Administrator and run:
powercfg /lastwake
You can also run:
powercfg /devicequery wake_armed
This shows devices currently allowed to wake your computer.
Check mouse and network adapter settings
Open Device Manager.
Under the device's Power Management settings, disable:
Allow this device to wake the computer
if you do not want that device waking the PC.
Update BIOS
Sleep compatibility issues can sometimes be corrected through motherboard BIOS updates.
Only update BIOS using your manufacturer's official instructions.