Probably not serious: But, he could possess a sleep disorder called paroxysmal limb movements in sleep (aka, nocturnal myoclonus). Rarely, epileptic seizures occur only at night, but your description is unlikely to represent such a problem. Easiest way to sort out involves visit to a sleep specialist, with a sleep study and eeg. Treatment is usually very successful.
Answered 4/28/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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