Music for sleep.
The best sleep music has a strange quality: nothing in it ever asks for you. No swelling chorus, no lyric to keep up with, no key change waiting for its moment. The notes simply step down, one after another, like someone turning off the rooms of a large house.
Words are usually the problem with sleeping to music. A lyric is a list of things to follow, and following is exactly the part of you that needs to stop. Instrumental music skips all of it — there's nothing to keep up with, only a slow line to sink into. Fast music keeps you in the day; sleep music has to be slower than your thoughts.
This one is slow ambient: soft chords that drift in, hold, and fade, with no melody to follow and no beat to count. It moves slower than your thoughts, which is the whole point — there's nothing in it to stay awake for. Long, low chords with room between them, the same quiet from the first minute to the last, then a slow fade to silence while you're already gone.
It's playing above, one tap away. And if you want something else, the library below has more — slow, low, unhurried — but start here.