Hi, @chutyas5
Greetings, and welcome to the Roku Community.
We appreciate you reaching out for support regarding setting a sleep timer with your Roku TV, and we'd be happy to assist. Please note that sleep timers are only available with Roku TVs.
For further information, you can be guided in this support article at How to use a sleep timer to turn off your Roku TV.
We hope you find this information useful, and if there's anything we can do to assist you further, let us know.
Best wishes,
Kash
Takashi O.
Roku Community Moderator