Female (succubus) and male (incubus) demon lovers that, in the Middle Ages, were believed to visit innocent people in the night to seduce them. Those so attacked would wake to feel a heavy weight on their chest, which would turn …

Female (succubus) and male (incubus) demon lovers that, in the Middle Ages, were believed to visit innocent people in the night to seduce them. Those so attacked would wake to feel a heavy weight on their chest, which would turn …