For much of human history, dreams were not dismissed as imagination or psychological noise. They were treated as messages from the gods, warnings from fate, and sources of practical knowledge powerful enough to guide kings, heal the sick, and alter the course of empires. Ancient Dream Divination and the Art of Reading the Sleeping Mind reconstructs the forgotten science of oneiromancy as it was practiced in Mesopotamia, Egypt, Greece, and the ancient Mediterranean world. Drawing on dream manuals, temple records, and classical case studies, this book reveals how dreams were classified, incubated, interpreted, and trusted as legitimate tools of prediction and decision making. It explores sacred sleep rituals, temple dream incubation, professional dream interpreters, and the symbolic grammar that governed prophetic dreams long before modern psychology redefined them. This is not a modern dream dictionary or a psychological guide. It is a historical recovery of a disciplined divinatory system that once shaped law, medicine, religion, and politics. By restoring dreams to their original cultural context, this book shows how the ancient world learned to read the future through the language of sleep. About the Author Tanya Cooper is a researcher and writer focused on ancient belief systems, divination practices, and the historical foundations of spiritual knowledge. Her work explores how premodern cultures understood the mind, fate, and the unseen forces shaping human life.