Graham and Ashkahn discuss what causes that mysterious twitch people sometimes experience in the float tank, called the hypnic jerk (AKA hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start ). While the guys offer up some interesting theories, there's not a lot of research that's been done on what causes these, so we're left with theories, more or less.

Ashkahn thinks it has to do with pancakes.