The log of the session $ sudo journalctl -b (before and after wake up from sleep) can be found in Plasma Wayland is severely shattered (electronic noise) after wake up from Sleep in Debian User Forum.
The log of the session $ sudo journalctl -b (before and after wake up from sleep) can be found in Plasma Wayland is severely shattered (electronic noise) after wake up from Sleep in Debian User Forum.