Dreams are a form of cognitive activity that occur during sleep. Like vivid memories and daytime fantasies, dreams involve visual images in the absence of external visual stimulation. Some dreams are so realistic and well organized that we feel as though they must be real-- that we simply cannot be dreaming this time. Dreaming has always been the subject of controversy. Egyptian papyrus documents dating back to 2000 BC discuss dreams and their interpretations. In ancient …showed first 75 words of 711 total…

…showed last 75 words of 711 total…with death or illness, sexual or aggressive urges, or moral dilemmas, we are likely to dream about them. The characters in our dreams are more likely to be friends and neighbours than spies, monsters, and princes. Dreams have been studied for hundreds of years and will continue to be studied for hundreds of years. Some people may believe that these groups of subjective images and thoughts are our key to the past, present, and future.