I find my self with the same problem. There is a possibility that you would look into OCD that can take a lot of different manifestations. What I do is shut out

I find my self with the same problem. There is a possibility that you would look into OCD that can take a lot of different manifestations. What I do is shut out all the stuff and focus (almost in an obsessive fashion) on a project. NO other work is allowed (accept from maybe your normal day job).