50+ Creepy Sleep Paralysis Demon Pictures. The sleep demon is actually a hallucination linked to sleep paralysis, which occurs when a person is jolted awake in the middle of the rapid eye movement (rem) phase of sleep associated with dreaming. You wake up but your brain is still dreaming — and it's projecting your nightmares into the real world.
Statistically, we are all to experience sleep paralysis once in our lives, for most, it is horrifying.
But normally, dreaming and paralysis occur when people are unconscious, said sharpless, who is also the author of sleep paralysis: You also can have terrifying visions. Because of that, the condition is also called the sleep paralysis demon or old hag syndrome. Some other people experienced a.