hold on, disabling power nap won't fixes the auto log outs. it's a (new?) security setting.
one sec...
alright okay. for anyone having the issue, you have to go to your "security & privacy" -> click on padlock -> enter password -> click on "advanced". in the sheet disable "Log out after X min of inactivity".
But yeah it’s redicules that We have to deal with this on a $3k laptop