what are dreams?

A dream is a succession of thoughts, images, sounds or emotions which the mind experiences during sleep. The content and purpose of dreams are not fully understood, though they have been a topic of speculation and interest throughout recorded history. Dreams have been described physiologically as a response to neural processes during sleep, psychologically as reflections of the subconscious, and spiritually as messages from gods, the deceased, or predictions of the future. Many cultures practice dream incubation, with the intention of cultivating dreams that were prophetic or contained messages from the divine. More at wikipedia.org »

Other interesting places
  1. DreamMoods.com - online dream symbol dictionary
  2. How dreams work - a short summary
  3. Biological basis behind dreams
  4. "The Interpretation of Dreams" book by Sigmund Freud (interpret it as you choose...)