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HSC English First Paper English For Today - Unit 6 Lesson 1 Dreams What is a Dream Dreams have fascinated philosophers for thousands of years, but only recently have dreams been subjected to empirical research and scientific study. Chances are that you've often found yourself puzzling over the content of a dream, or perhaps you've wondered why you dream at all. Fust, let's start by answering a basic question: What is a dream? A dream can include any of the images, thoughts and emotions that are experienced during sleep. Dreams can be extraordinarily vivid or very vague; filled with joyful emotions or frightening images; focused and understandable or unclear and confusing. Why do we dream? What purpose do dreams serve? While many theories have been proposed about the reason and function of dreams. nu consensus has emerged. Considering the time we spend in a dreaming state. the fact that researchers do not yet understand the purpose of dreams may seem baffling. However,...