SimpleSleepTimer

Sleep Timer allows you pause audio on your device once the timer is finished. This app is perfect for those who want to play music on their device and have it pause after you fall asleep.

Notes:
* Supports Wear OS devices (can pause music on your watch or on your phone from your watch remotely)
* You can also choose a specific app that you explicitly want to pause.
* On Wear OS, two tiles are available to start sleep timer on your watch or remotely on your phone