My Three Year Old Is Having Night Terrors

The last few nights, my three year old has been. having night terrorsa something that he's never had before i tri daing research inusually night terrors start, they usually started a little bit younger. We don't have any history of those kinds of things happening either in my family, or it is bad side of the family. It's two 35 every single night he wakes up and he's cing. He wails like a banchee all the way. So i'm sorry to get really bad feelings here. The only thing to the right of me is the hallway from the kitchen and dining room area to the living room. No windows, no draughts