What Are Dreams? (PBS documentary)

What are dreams and why do we have them? NOVA joins leading dream researchers as they embark on a variety of neurological and psychological experiments to investigate the world of sleep and dreams. Delving deep into the thoughts and brains of a variety of dreamers, scientists are asking important questions about the purpose of this mysterious realm we escape to at night. Do dreams allow us to get a good night's sleep? Do they improve memory? Do they allow us to be more creative? Can they solve our problems or even help us survive the hazards of everyday life?

Related Links:
Why do We Dream?
Sleep and Dreams