Snake to migraine?

I had a relatively vivid dream early Sunday in which I was with a lot of people at a park for some kind of corporate picnic. It wasn't with my current employer: I didn't recognize any of my apparent co-workers. The park didn't have any picnic tables. We sat on pavement along a concrete curb that contained the grassy median-like area that formed the park. A low wood-rail fence formed a perimeter around the inside of the curb.

I was sitting cross-legged on the pavement, eating a sandwich, when I noticed a burrowed hole in the grass in front of me. I started knocking little dirt clods down the hole like I used to do when I was a kid. Then I noticed a coiled snake at the bottom of the hole. The snake was dark, but seemed skinny. It didn't register as a threat, just kind of creepy.

I told the girl next to me. She reached down that hole, plucked out the snake, and suddenly it was more akin to a python in size and appearance, with black and green scales. I didn't recognize the girl, but I remember telling her to give me the snake because it might hurt her. She handed the snake to me and, of course, it bit my hand - repeatedly.

On the third bite, I woke up from the dream with a spiking migraine headache. Yowch.