Why Your Body Jerks When Falling Asleep

A Spot of Science • Season 1 • Episode 4

About this episode

Why does your body jerk when you're just about to fall asleep? And the beetle that shoots it's enemies with acid from its butt. How does it not blow its own legs off? Gus Sorola challenges Chris Demarais and evolutionary biologist Sally Le Page with some of the quirkiest science questions submitted by viewers.