Headaches and sleepless nights

This may sound strange. It may even sound impossible but it is definitely true. I have so many thoughts, stories, and visions in my head that at times it feels as if my head is about to explode! I mean there are so many unfiinished works and ideas in my brain that I can actually feel them pressed against my skull. Unless I write the words or draw the pictures, I never find any peace. I can't sleep a wink. I am plagued with migranes. This goes on for days or weeks even. I only find sleep and relief after I have completed the work banging around in my head. How strange is that? This is both a blessing and a curse. Unlimited ideas and visions versus pulsating cranial nerves. I keep writing and drawing and the pain and insomnia stay away. Sometimes it takes me a year to finish a book. That's a lot of tylenol! Can anyone else relate? I can't be the only one suffering with this strange ailment...right?