My recent favorite is "creaky wooden ship sounds" https://www.youtube.com/watch?v=89XoBPjgWcI https://www.youtube.com/watch?v=89XoBPjgWcI. My daughter also slee

My recent favorite is "creaky wooden ship sounds" https://www.youtube.com/watch?v=89XoBPjgWcI https://www.youtube.com/watch?v=89XoBPjgWcI. My daughter also sleeps very well with this sound There's also https://generative.fm https://generative.fm for generated ambient sound.