There are several ways you can turn off the device:The quickest way to turn off the Apple TV, aside from unplugging it, is to hold down the Play/Pause button for about three seconds. ... From the main screen go to Settings, scroll down and select "Sleep Now."By default the Apple TV will sleep after one hour of inactivity. read more
For all models, you don't so much turn the Apple TV off as put it to sleep until you're ready to use it again. 4th Generation Apple TV There are two ways to turn off the 4th gen. Apple TV: with the remote and using onscreen commands. read more
Pick up the Apple TV's remote. If you have a 4th Generation Apple TV, the remote will have a glass touch surface on top; otherwise, the remote will be made of aluminum. read more
How to Turn Off Apple TV. There are other ways to rouse a sleeping Apple TV. If you’ve configured a standard remote control to activate the ATV, pressing any one of several remote keys can do it. read more