I am so so so sorry for the ocean sounds. I was streaming previously and never turned it off! Hopefully, that does not distract you too too much! Come talk to me!: / discord I also stream a lot over here!: / beeapeach
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