A quick link I think might help you if you’re struggling to focus on your writing:
From Mystery Writing is Murder:
Are we getting wired differently because of modern distractions? I’m not sure, but I know that it’s hard for me to sit still for very long. I just get very restless.
There are plenty of writers out there that have amazing discipline and can sit for hours at their computer each day, knocking out their word goals. I’m not one of them. I always make my goals, but I’ve had to meet them on my terms. In case you’re a restless writer too, this post is for you. 🙂
– Elizabeth Spann Craig, Tips for Restless Writers.
Cats and Chocolate 