Why Did Ancient Humans Dream?

Every night you do something humans have done for hundreds of thousands of years — you dream. This is why: what dreaming may have been for in the deep past, what early humans believed was happening (messages from the dead, doorways to the spirit world — maybe the root of religion), and what science now thinks dreams really do. When you close your eyes tonight, you step into the oldest room our species has. Chapters + sources added at publish. If you love quiet, true stories about who we really are, stay a while. #AncientHumans #HumanEvolution #Anthropology