Dream interpretations date back to 3000-4000 B.C., where they were written on clay tablets.  For as long as we have been able to communicate and understand our dreams, we have been fascinated with them. Some people weren't able to see the difference between the dream world and the walking word. They thought that the dream world a more powerful world, and wanted to find away to make the dream world, their only world. In the Greek and Roman eras, dreams were seen as direct messages from the gods or the dead. They thought that these dreams could tell them the future. Tracing back to these ancient cultures, people had always had a liking to interpret their dreams. Some people still do.     
Dream History