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

The human body isn’t just one object. Sometimes two different systems don’t talk to each other correctly. One tries to move the system to standby mode and the endocrine system detects that and says “biorhythms are too slow right now, HAVE SOME ADRENALINE! MORE HAVE SOME MORE!”