The figure's face and body ... The phenomenon is known as a "shadow person", a concept that believers say is a ghost, but scientists attribute to sleep paralysis, when "the brain wakes up before ...

Those who have experienced sleep paralysis, for instance ... Other times, it’s the Hat Man, a featureless shadow figure sporting a wide-brimmed hat. Science has linked this phenomenon to ...

“Say hello to your new sleep paralysis demon,” teased influencer Eleanor Barnes — in a harrowing how-to video that’s now going viral. Barnes, known as @Snitchery online, went viral with ...