Dreams and Nightmares: Big Parts of Our Lives?

Everyone sleeps. Humans, dogs, primates, rats, and the rest of earth’s inhabitants all experience the relaxing and necessary state of sleep. It appears to just be an unconscious state essential for survival; however, much more is going on than meets the eye. Sleep is accompanied by dreams, a term associated with adventures, experiences, and conflicts, which occur in one’s mind during those hours while one is fast asleep in bed. All people dream from the moment they enter this world to the day they leave, but whether or not they remember what they experienced the previous night varies.
I, of course, am no exception and have dreams dating years back to my younger days that have remained in my memory. Upon waking, I recall having a confused, entertained or disturbed reaction to these dreams and even remember some of them affecting the rest of my day or just my life in general. The recent premiere of the movie Inception, a movie revolving around the dream world, has helped spark my interest into the dreams and their true purpose. I have been pondering if they have a bigger role in our lives rather than just a source of entertainment while we sleep. Prior to beginning research, my factual knowledge of dreams was quite limited to my personal experiences, as I have had my fair share of dreams as well as nightmares. I knew that dreams were usually perceived as happy and nightmares were almost always frightening experiences. Some dreams could also be interpreted for deeper meanings. Lastly, prior to researching, I knew dreams only lasted a portion of the time, and one usually had a difficult time remembering the content of the dream upon awakening. Through my research I wished to discover how people are affected by their dreams and nightmares in their behavior, mood, and their overall physical health. I also wished to know if there were any past evidences of events which happened in direct correlation to dreams. I was hopeful in finding the true meaning of