…after applying updates today, this problem is back.
now i had to create a script to run at system startup to ensure that those changes are always in place,.
this is insanity
I applied the suggested changes, and others, and my system continues to goes down …
System enter in sleep mode every 15 minutes
May 16 16:29:45 HG000009 systemd-logind[2616]: The system will suspend now!
....
May 16 16:29:46 HG000009 systemd[1]: Reached target sleep.target - Sleep.
May 16 16:29:46 HG000009 systemd[1]: Starting systemd-suspend.service - System Suspend...
May 16 16:29:46 HG000009 systemd-sleep[122532]: Entering sleep state 'suspend'...
My setup
$ sudo -u gdm dbus-run-session gsettings list-recursively org.gnome.settings-daemon.plugins.power | grep sleep
org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout 0
org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 'nothing'
org.gnome.settings-daemon.plugins.power sleep-inactive-battery-timeout 0
org.gnome.settings-daemon.plugins.power sleep-inactive-battery-type 'nothing'