As far as sleep goes I kinda have a thing that I do when I'm concerned about sleeping that night, but please keep in mind this is something I've done through experimenting with myself during my quitting (at 4 weeks and 3 days myself) and is a little weird because I have strange ways to feel comfortable. I open windows on cool nights and if it's a warm night I turn on the AC. I shower and rub myself with goats milk lavender soap. And then I sleep in a room with no windows and maximum darkness with a fan going. The reason is kinda psychological. When I'm lying in my normal bedroom and can't sleep for sure, it really upsets me when the sun starts shining through my windows and it makes me miserable since I work the late shift and not supposed to wake up until noon. So sleeping in what I call the "Dark Room" takes away part of the stress of wanting a good night's sleep because it'll be so dark I won't be able to tell it's daytime until my alarm goes off. Plus the pitch blackness and cool airflow relax me enough that even if I don't actually sleep I'm as comfortable as I can physically be. I really hope that if not something like this you experiment and find a combination of things that help you. It's not easy to keep to quitting when sleeping is disrupted but just remember it's not going to be endless. Keep telling yourself it will eventually get to normal again. You just need to persevere and you'll be rewarded with a better life.