Why do we dream?

After studying years of research and thousands of dream reports, neuroscientist Rahul Jandial says there’s increasing evidence about how our dreaming brains can help benefit our waking lives.

Dr. Rahul Jandial, neurosurgeon and scientist specializing in brain, spine and spinal cord cancers at City of Hope, a private, non-profit clinical research center and hospital. Author of "This Is Why You Dream."