Thinkpad Yoga, not waking up after sleep

I have an issue with my Thinkpad Yoga (20CD).
Sometimes after I have left my Yoga unattended. I come back and find that it's on (red light on) but screen is black, but nothing happends when moving mouse or pressing keys.
I believe this is happens with regards to sleep mode.
I still have some analysis to do wether it happens when power is connected or not, external monitor is connected or not.
I have installed all the latest drivers from lenovos website.

Hi Henrikh,
Welcome to Lenovo Community Forums!
I’m sorry to hear that your ThinkPad Yoga goes to sleep and doesn’t resume normally.
To disable the system from going automatically to sleep mode, go to control panel -> Power options -> on the left hand side, Change when the computer sleeps -> Change “Put the computer to sleep” to never.
To enable a device to wake up the system from sleep, Go to control panel -> Device manager -> Go to "Mice and other pointing devices" and double click on the mouse which you are using and check "Allow this device to wake the computer". Press OK.
Do the same for keyboard as well.
Do let me know if it helped!
Best regards,
Mithun.
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