Two hundred randomly selected subjects were asked, Have you ever awakened, seemingly paralyzed, with a sense of a strange presence in the room   Forty percent answered yes  A randomly selected control group of 200 different subjects in the same study were asked simply if they remembered ever waking up seemingly paralyzed
Only 14 percent of the control group answered yes
The number of subjects who had awakened with a sense of a strange presence in the room was greater in the first group than in the control group.