My cozy recommendation: Creating landscapes out of tiles. https://en.wikipedia.org/wiki/Dorfromantik

Was going to post this if someone hadn’t already.

The first game that came to my mind.

Not only is the gameplay chill, but the music and sound effects, on their own, relax me. You could sleep to the OST:

https://youtu.be/h5gOAJl-7ZE

+1, Dorfromantik is great!