I know that this time of year can be difficult for many people for many different reasons. I hope you can come here to get a few minutes of relief from the stress and anxiety in your life. Everything will be okay. Lots of whispers, personal attention, tapping, fluttering, and mic brushing.
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