Sleepwalking, yelling in your sleep, violently thrashing in bed and hurting those you love. No, it’s not a demonic possession; it is REM sleep behavior disorder, or RBD. RBD is a sleep disorder that common presents itself in older men and causes people who suffer from it to physically act out their dreams. Its cause is unknown, but its effects can be terrifying.
What does a German fairytale and a severe sleep disorder have in common? A lot, apparently.