I'm pretty sure I could given a good situation but it's really hard to know for sure without being in such situation.
It's funny you mention a zombie dream though. I recently had a dream I was standing watching a train full of zombies going by, then I noticed a witch standing a bit closer to the train in the corner of my eye, I looked at her and she was just making freaky faces at me, and there was scary movie music to go with it, as I continued seeing the train going by in the background. I remember it so well, if I was good at animation I could probably reenact it. Just need to find a 1940's scary movie sound track.