The Oracle of Night

This international bestseller investigates what dreams are, why we dream, and their profound role in human evolution and culture.

From interpreting cave paintings as evidence of humanity's first dreams to contemporary advances in neuroscience, biochemistry, and psychology, Sidarta Ribeiro reveals how dreams connect sleep to learning, memory transformation, and even oracular insights confirmed by science.

The book argues that dreams enabled our ancestors to perceive past and future, fostering cultural change through shared dream narratives.