I had the same thought. I've been layering multiple ASMR/ambient youtube videos recently and I find it amazingly relaxing.

For example, currently listening to these three:

- https://www.youtube.com/watch?v=CNi5yUO14jg

- https://www.youtube.com/watch?v=trpcSJtvMxk

- https://www.youtube.com/watch?v=aCLrDKAv9Fw

There's a million different options out there and it's surprising what layers well.