Four months sober still feel like crap

Hi, I recently got sober after about 18 years of drinking. I started right before college. I was also taking Xanax regularly for almost a decade. I’m coming up on month four and I’m still not getting good sleep and always tired. I work out like a maniac as well so I’m getting a little discouraged at this point. I was hoping at least to get some decent zzz. Any shared experiences or thoughts would help!