Although some people argue that they haven't ever dream, there are those of us who dream constantly, night and day. And while the majority of us say that we can’t even remember our dreams, one thing is scientifically certain, dreams exist. Because the topic of dreams has yet to be extensively researchable, there are still many unanswered questions. True, everyone agrees that dreams occur; however, far more complex is the study of the purpose of dreams. With much evidence, dream researchers have proven dreams to have various meaning and also play an important role in unconscious and conscious human activity.
Dreams are indeed meaningful. Studies of the hippocampus (a brain structure crucial to memory, rapid eye movement (REM) sleep, and a brain wave called theta rhythm suggest that dreaming reflects a pivotal aspect of the procession of memory.When we’re awake, we have to concentrate on being a rational, self-aware, and an accepting member of society. Asleep, our brain reaches into the memory files for image information and experience, weaving these into a story" (Kopecky, 78). Therefore, brain activity while dreaming is especially high. Rapid eye movement from the left to right sides indicates both sides of the brain taking part in the processing of the dream. "All these messages flow to higher brain levels, and they are there synthesized, just as in waking, into a coherent story" (McCarley, 54). Images, words, and thoughts not shown to us during our waking hours, can be seen, heard, felt, or even tasted in our sleep.
In my opinion there is no one explanation what dreams are and why they exist .I think we have to analyse our personal dreams and interpret it in suitable way for us.
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