Nightmare Disorder: When Dreams are Always Nightmares

Learn about the parasomnia that causes all of your dreams to be nightmares.
Sleep-related Painful Erections

Learn about the parasomnia that causes painful erections during sleep.
Exploding Head Syndrome.

Learn about the parasomnia that causes an exploding sensation upon waking.
Sleep-related Scratching

Learn about the parasomnia that causes relentless scratching while asleep.