Dream About Dead Man Stabbing Incident

This dream was about

I was in a house and my cousin and sister where there and the room we were in was cold so my little cousin asked if we could change rooms and we were all scared and we want in the room but there was a dead man and there was a bed so we sat on it trying to make my cousin feel safe and then she fell asleep and me and my sister were still awake then I blinked and there was a man he looked at up and said “who wrote on here!?” We said it was the dead guy and he stabbed him one more time and I blinked again and he killed my sister and cousin then I begged him not to kill me but then I woke up