Are people who suffer from ..

In a typical episode, you will sit up in bed and pierce the night with a "blood-curdling" scream or shout. This scream can include kicking and thrashing. You may say or shout things that others are unable to understand. You will also have a look of intense fear with eyes wide open and heart racing. You may also sweat, breathe heavily and be very tense. At times, you may even bolt out of bed and run around the house. This response is more common in adults. It may also lead to violent actions

http://www.sleepeducation.com/Disorder.a...

is this proof of satan's control over people? or just another medical mystery that people could equate with satan because we don't have the answers yet?

Possessed by the devil? Real scientific answer. With the intricate and complex interaction of the mind, it is so logical that it would be something to do with that. Possession has no place in modern medicine.

Um, NO!

Crediting something like this to demonic activity is wrong.

very few night terrors emanate from satan

Demon possession is hardly a scientifically sound diagnosis. Not saying it isn't possible, but definitely not scientific.