Dreaming is one of the most underappreciated functions of the human brain, yet our very survival as a species depends on it. In This Is Why You Dream, dual-trained neuroscientist and neurosurgeon Dr. Rahul Jandial explores the landscape of our subconscious, tracing the latest cutting-edge dream research and brain science to show why humans have retained the ability to dream across millennia, and how we can now harness its wondrous powers to improve our sleeping and waking lives.

There's so much dreaming does for us. It fortifies our ability to regulate emotions. It stores memories, amplifies creativity, and promotes learning. It helps us process trauma and prepare for future upheaval. Dreams can even forecast future mental and physical ailments, such as Parkinson's and Alzheimer's.

Dreams can also be put to use. Dr. Jandial walks you through how to use lucid dreaming to practice skills that translate into real-life improvements, how to rewrite nightmares, and what your dreams reveal about your deepest desires. Ultimately, This Is Why You Dream opens the door to one of our oldest and most vital functions, and unlocks its potential to radically transform our lives.