Why We Dream

A fresh, revelatory foray into the new science of dreams—how they work, what they're for, and how we can reap the benefits of our own nocturnal life
While on a research trip in Peru, science journalist Alice Robb became hooked on lucid dreaming—the uncanny phenomenon in which a sleeping person can realize that they're dreaming and even control the dreamed experience. Finding these forays both puzzling and exhilarating, Robb dug deeper into the science of dreams at an extremely opportune moment: just as researchers began to understand why dreams exist. They aren't just random events; they have clear purposes. They help us learn and even overcome psychic trauma.
Robb draws on fresh and forgotten research, as well as her experience and that of other dream experts, to show why dreams are vital to our emotional and physical health. She explains how we can remember our dreams better—and why we should. She traces the intricate links between...