Every night he has the most restless sleep where he almost had full body convulsions, constant movement. We have videos.?

SleepingWithAJerk??? Those jerks are called "myoclonus."Because it's at night and during sleep, it's called sleep or "nocturnal" myoclonus.It can be caused by a few things that can only be diagnosed in a sleep lab involving a sleep specialist and neurologist.It may be something else, but you could still consult the same persons.Take heart, he's not trying to kick you out of bed...check out https://www.sleepassociation.