Okay, this could be a lot of issues but if the rest of the television set works fine then this is probably a design feature to shut off the set by itself after you fall asleep. Usually, you can set a time for the TV to shut itself off (after Letterman, for example). Check the operations manual to learn how to work this or shut it off.
he dumb like me
No, TVs do not emit radiation when they are turned off. However, some TVs may emit a small amount of radiation when they are turned on due to the electrical components and display technology used.
It turns off
Some appliances that use electricity even when turned off include televisions, computers, and chargers.
Is the timer on?
When the government turns the television off.
NO, when you turn off the TV, the output of the TV will also go off.
Phosphorus
Yes, it is a good idea to do so after you have turned it off.
Yes, Simplink can be turned off. To do so, navigate to the settings menu on your LG TV, select "General," then find "Simplink (HDMI-CEC)" and toggle it off. Disabling Simplink will prevent your TV from automatically communicating with connected HDMI devices.
low battery
The timer might be engaged. look into the menu for a timer setting and turn it off.