I understand you completely; I used to have many sleepless nights, too.
But this is the music that can help you: Lofi Sleep Relaxing
Maybe white noise would help you. In my case, it doesn't work, but when I used to sleep with a partner, she would fall asleep to these sounds: Relaxing White Noise For Sleep And a recommendation I have for you—outside of music—is to get a little exercise or read something before bed; even reading on your phone with the brightness turned down low helps me sleep.
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