Waaaaaah...my head hurts

This morning I had to go to a Carilion clinic downtown to give a blood/urine sample. And I couldn't eat for 12 hrs. :( I'm really hungry, but I'm waiting to eat b/c I want Pizza Hut. I already ordered it online and I go pick it up at 11am. My head was hurting last nite, and when I woke up it felt like I was laying in a rock. My head didn't hurt much when I wasn't laying down. Right now my neck hurts so I need to take a muscle relaxer- I took some aspirin on the way to the clinic. Yesterday in Sunday School my leg was shaking non-stop throughout the entire class, like the shaking you do when you're nervous. And a bit afterwards my hand was shaking. I had to let my leg shake or else my head would start doing the funny/strange looking twitchy tremor thing. I don't do the same kind of tremors at home as I do in public. I think it may be b/c there is less stress at home, plus my position- standing, sitting in an uncomfortable chair...- is much more relaxed at home.