Why does the human body jerk/shock itself awake sometimes while trying to sleep?

Question

Why does the human body jerk/shock itself awake sometimes while trying to sleep?

In: 2959

Answer 1

Hypnic jerks as others have said. I have pretty severe periodic limb movements of sleep (similar condition) and find they’re WAY worse if I fight sleep. Don’t push yourself through one more episode or mission or chapter, let go and let sleep overtake you when it comes.