try to enable user session suspending
$ cat /usr/lib/systemd/system/systemd-suspend.service.d/disable_freeze_user_session.conf
[Service]
Environment="SYSTEMD_SLEEP_FREEZE_USER_SESSIONS=true"
try to enable user session suspending
$ cat /usr/lib/systemd/system/systemd-suspend.service.d/disable_freeze_user_session.conf
[Service]
Environment="SYSTEMD_SLEEP_FREEZE_USER_SESSIONS=true"