'The Sandman' Where Have You Seen The Cast Before?

Why do dreams and nightmares exist? Researchers have studied the meaning behind why people and animals have dreams. Yet one author offered an unimaginable and fantastical answer about what happens when everyone closes their eyes. The author of popular books such as Coraline, American Gods, and Stardust, Neil Gaiman, brought viewers into a world where Morpheus controls dreams and nightmares in the book, The Sandman.