When looking at the logs I found this:
Nov 13 00:00:29 a520mk systemd[1]: Starting dpkg-db-backup.service - Daily dpkg database backup service...
Nov 13 00:00:29 a520mk systemd[1]: Starting logrotate.service - Rotate log files...
Nov 13 00:00:29 a520mk systemd[1]: Reloading pveproxy.service -...
