i recommend putting on white noise of some kind (white/pink/brown) before bed and while you sleep. instead of focusing on the thoughts in my head, i concentrated on the sound and it helped me fall asleep in less than 30 minutes. try different kinds of noise (the colors are different frequencies/pitches). i preferred pink noise with a theta pulse (it's supposed to enable deeper sleep), but everyone is unique. there's a pretty sweet playlist of white noise on spotify, but i'm sure you could find other samples on soundcloud or google play or itunes. hope that helps!