Severe hypnagogic jerks may be caused by electrolyte imbalance, specifically magnesium deficiency rooted in sodium deficiency from a pure carnivore diet.

“when i was probably a year into the carnivore diet i began having really bad episodes of hypnagogic jerks that is a sensation of falling as you are falling asleep the hypnagogic is a word that means going to sleep hypnopompic is a word that means waking up so as i was falling asleep i would have these massive muscle jerks as if i was falling and this is usually tied to electrolyte imbalance magnesium deficiency in humans at the time i couldn't connect the dots i was seeing other benefits i was so interested in eliminating plants from my diet that i got a little bit too myopic”