SmartTV models with operating systems are often equipped with various exciting features by manufacturers, including the ability to turn off the screen while running applications. You can apply this feature when playing relaxing music, deep sleep music to improve sleep quality on YouTube, then turn off the TV screen and enjoy.To turn off the screen while running an application, you simply need to find the Screen Off feature in the TV's power-saving mode. When the screen turns off, press any button on the remote to turn the screen back on, except for the volume up and down buttons, which will not turn on the screen.Advantages:- No need for a YouTube Premium account
- Saves electricity because the screen is turned off
- Create playlists for desired videos and music
- Prevent TV light from affecting sleep
- Can turn off the screen with other applications, e.g., Netflix, play HD files, play mp3 music, etc.
A 65' 4K LCD TV consumes about 20W of electricity when playing YouTube and turning off the screen