Episode 7: Nightmares

We've all had them, and probably all have our theories on why they occur.  Nightmares have been with humans since the very beginning.  Throughout history, their origins have been attributed to all manners of the paranormal - from the vengeful spirits of the dead to mischievous otherworldly beings.  Let's take a little romp through time and learn a little bit of the history behind nightmares.