What is a dream? Some dictionaries say, "A series of thoughts, images, and emotions that occur during sleep" (Webster's). Other references say dreams are "a communication of body, mind, and spirit in a symbolic communicative environmental state of being" (Lukeman 61). Dreams have both a metaphysical and physical existence. The metaphysical aspect is the imagery in a dream and its relation to the subconscious. The physical aspect is the chemical reactions that occur within the brain during dreaming. There are many commonly asked questions about dreams. Some can be answered scientifically, but the majority cannot. You might unsuccessfully try to answer questions like: What are our dreams trying to tell us? Why are dreams so strange with frequent shifts of scene? "When we sleep we do more than just rest our weary bones; we tap into our subconscious mind" (Ullman and Zimmerman). Many people simply look at dreams at...