If your TV is on while you aren’t watching it, it uses up a lot of electricity. If you keep your tv on all day while you aren’t watching it, it can cost up to 8$ a month more than it usually would. You should just turn off your TV when not using it.
Being on your screen all day can cause you to have migraines, and can even damage your eyes, it also uses up a lot of energy. Using your electronics all day will cause the battery to die and you will have to keep your electronics plugged in. This could use up a lot of electricity,