Earlier quoted context omitted.
Oh, man! Falling asleep to youtube is (was) my PRIMARY reason for watching youtube. The recent creep of ads considerably reduces the soporific quality of dozing off to a Malcolm Gladwell conversation or a Royal Institute lecture.
Nothing worse than just drifting off to sleep watching a soothing woodworking video only for a 45 minute ad about some book club or a music video to ruin it.
I am going to have to try your app. My slumber TV is a TCL w/Roku built-in.