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

Notes:
* You can also choose a specific app that you explicitly want to pause.
** WearOS sleep timer available using SimpleWear ( https://play.google.com/store/apps/details?id=com.thewizrd.simplewear )