EarthInferno

This happened some months ago. I went lucid due to some thing I was reacting to in the dream, and I knew that I could get away from whatever it was by running. Bursting into a sprint while focused so hard on accelerating, my legs actually moved in real life. I woke up mostly because of it and lost the dream.

The mental effort I exerted in my dream forced my physical legs to move because it was so great. It overcame the natural mode of sleep paralysis that my body was in. Awesome! Well that is what I'm going to go with since that seems to be the simplest explanation.