The same issue on Dell Latitude 5300 running both Ubuntu 18.04.5 and and Ubuntu 20.04.1
$ cat /sys/power/mem_sleep [s2idle] deep -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1860390 Title: Dell XPS 13 (9360) defaults to s2idle sleep/suspend instead of deep (suspend to ram) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1860390/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs