I got off work early today and challenged myself to do something totally different, video-wise. Here's what I did! I don't know how "ASMR-ish" it is, but it was a real hoot to make. You're at your family reunion, and several folks come sit by you to have a chat. Imagine having all these people at the next Christmas gift exchange. :)
To listen while using other apps, switch the player to Picture-in-Picture (PiP) during playback — it keeps playing in a small floating window (the screen stays on).
To listen with the screen fully off, in-browser playback stops by YouTube's design. Open the video in the YouTube app to keep listening where background playback is supported (e.g. with YouTube Premium).
Open in YouTube app