parasalized chair dream

im parasalized and cant move i try to get up but cant i call for help cant speak im in total panic then im taken around the room by a force there is a presence of some one there but every time i try to lift my head to see who it is i cant i can feel wind as if thedoor is open i can hear the door opening but cant see who is doing it i can hear footsteps coming toward me but im still paralizied and cant see who it is one night there was someone on the chair while i was pinned to the ceiling i tried to see the face but all i saw was a white gown and the person spoke and asked did i still feel phisayal pain i spoke and said i just want to go to bed then it was all over this has never happened me before and to say im scared afterwards is putting it mildly it started about six months ago and i had a break of about four months but now its back and im afraid to close my eyes to sleep