Now, i had issues with different servicies sending emails around 4AM waking me up, so I am currently playing with mute service, there are commands I am trying just muting the DEFAULT_SINK, not sure if correct way, since it is not toggle-able with the switch in ayatana indicators
nano ~/.config/systemd/user/mute-audio.service with
[Unit]
Description=Mute Audio
[Service]
Type=oneshot
ExecStart=/usr/bin/pactl set-sink-mute @DEFAULT_SINK@ 1
nano /.config/systemd/user/unmute-audio.service with
[Unit]
Description=Unmute Audio
[Service]
Type=oneshot
ExecStart=/usr/bin/pactl set-sink-mute @DEFAULT_SINK@ 0
nano /.config/systemd/user/mute-audio.timer with
[Unit]
Description=Timer to mute audio at 8 PM
[Timer]
OnCalendar=*-*-* 20:00:00
Persistent=true
[Install]
WantedBy=timers.target
nano /.config/systemd/user/unmute-audio.timer with
[Unit]
Description=Timer to unmute audio at 7 AM
[Timer]
OnCalendar=*-*-* 07:00:00
Persistent=true
[Install]
WantedBy=timers.target
systemctl --user daemon-reload
systemctl --user enable mute-audio.timer
systemctl --user enable unmute-audio.timer
systemctl --user start mute-audio.timer
systemctl --user start unmute-audio.timer
systemctl --user list-timers