There’s so much to choose from, but if I had to say one nature sound that always does it for me, then it has to be gentle rainfall with light thunder. I love the sound of water splashing across the floor a million times a second, and when it is accompanied by the low roars of distant thunder, it is the nearest thing to pure bliss for me.
Iv added one of my thunderstorm video here, so you can listen to what I mean:
