Just showing off some of the items I use for my soundscapes. New videos coming soon, I promise! I will be uploading the Crispy Soundscape with an inaudible whisper track in a few days.
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