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

I don’t know if it’s exactly the thing you’re talking about, but I heard that when your body relaxes in bed and your feet don’t “stand” on anything, your brain can interpret that as you falling

I personally feel that fake falling feeling, but it’s probably not universal