Known as the Hat Man, this tall ... as a "shadow person", a concept that believers say is a ghost, but scientists attribute to sleep paralysis, when "the brain wakes up before the body does ...

Dr. Emily Zarka of Monstrum looks at the phenomenon of seeing a shadowy man in a wide brim hat appearing during episodes of ...

Here’s a fascinating video from the PBS YouTube channel Storied that explores why people who experience sleep paralysis see the shadow Hat Man. I experienced sleep paralysis a bit when I was a kid, ...