I too get headaches. I'm only certain about two causes in my case. - Alcohol: If I drink even 1 glass of alcohol there's a good chance I'll wake up with a nast

I too get headaches. I'm only certain about two causes in my case. - Alcohol: If I drink even 1 glass of alcohol there's a good chance I'll wake up with a nasty migraine. In my case this means pretty much banning alcohol out of my life except for special occasions (to let some steam off ...) - Exercise: This one is a bit nasty, I feel great just after exercising, but 12h later there's a good chance I'll have a migraine.