How to fix Windows 10 not wakup after sleep. Something way:
1. Allow your keyboard and mouse to wake up your PC.
Press the Windows logo key WINDOWS and R at the same time, then type devmgmt.msc into the box and press Enter
Double-click on Keyboards > your keyboard device.
Click Power Management and check the box before Allow this device to wake the computer and then click OK.
Repeat this fix on your mouse device(usually under the category of mice and other pointing devices).
Sleep your PC and wake it up later and check if this Windows 10 won t wake from sleep problem gets resolved.
2. Turn off fast startup.
Press the Windows logo key and R at the same time, then copy & paste powercfg.cpl into the box and click OK.
Click Choose what the power buttons do.
Click Change settings that are currently unavailable.
Make sure the box before Turn on fast startup (Recommended) is unchecked, then click Save changes and close the window.
Check sleep-awake route again and see if it works.
3. Tweak power settings
Press the Windows logo key and R at the same time, then type powercfg.cpl into the box and press Enter.
Click the chosen power plan and click Change plan settings.
Click Change advanced power settings.
Double-click on Sleep and Allow wake timers to expand. Then choose Enable in Setting.
Click Apply > OK.
Restart your computer, test on your machine again and see if it wakes up without fail.