Hi Jaz,
The insomnia will likely clear up as time goes by. However, I do believe that by cutting back, you are kind of elongating the withdrawl process. Once you stop drinking, your body will begin to adjust and you will start finding ways to deal physically and emotionally.
I think it's very scary when we finally realize what a grip alcohol has on our lives. No one ever intended to become an alcohol, and yet, here we are. The good news is that you can get through this, and stop drinking and live a sober life.
