When you're falling asleep, what makes the body twitch, jerk and spasm as you dr!

Question:

Answers:
you are waking up for REM sleep where the body is completely paralyzed and thus you jerk/spasm.

Other Answers:
The jerk you experiance just before you fall asleep is your body releasing electrical energy from your nervous system.
Answers:

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When you're falling asleep, what makes the body twitch, jerk and spasm as you dr!

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