SaveMyEyes(Linux_Script)

#!/bin/bash
while :
do
    notify-send "Display will turn off in 30 minutes" -u critical
    sleep 1680
    notify-send "Display will turn off in 2 minutes for 5 minutes" -u critical
    sleep 120
    # an half hour

    xset -display :0.0 dpms force off
    # turn off display
    sleep 300
    # 5 minutes
    xset -display :0.0 dpms force on
    # turn on display

done