Throughout history understanding why we dream has been an unanswered question, but with technology advancements, sleep studies, and theory developments scientists are learning more about dreams and their benefits. Dreams had almost always thought to be messages or prophecies from gods. That is, until scientist took out the religious aspect and took a scientific approach. During this time theories began to develop about why we dream. Due to the inability to prove a theory, scientist keep developing more. Since there are so many theories, scientists are greatly divided on what theory or theories can be proven. However, technological and scientific advancements could lead to proving or eliminating theories. New technology can lead to more accurate