I tried lots of natural sleep aids but none of them worked, even when I did go to sleep I would wake during the night and my mind would be racing.
My doc prescribed a mild AD with a sleep additive, it was the only thing that worked. It helped me drift off to sleep and stop the mind movies and the racing thoughts all the time. I was also given a hypnosis cd that I had to listen too, once I got into bed. It helped me to drift off to sleep.
Maybe you need to go back to your normal routine. Even if you go to sleep earlier if he wants to cheat he will find a way to do it, no matter how much we try to stop them having the opportunity too.
R is hard work.
Best thing I gained in my divorce - my freedom.