I find it relaxing to watch people massage things slowly, so I thought I'd give it a try. If you're wondering why it has a pocket, it's actually a gag gift of mine (I'm lying, I bought it myself). A "boyfriend" pillow. A cricket starts chirping in the background at some point so I hope it doesn't distract.
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