hi guys soo i want to either make manually block sleep and screen locking default to on or change the time until it automatically sleeps or the screen locks, the only thing i found is this command: systemd-inhibit --what=idle:sleep sleep 300 but its not what i want because it only works when the terminal with the command running is open SOMEONE PLEASE HELP

my distro is steam os (yes im on a steam deck) with sometimes a keyboard + mouse + monitor, if you need to know