How to Time Light for Optimal Sleep & Wakefulness | Samer Hattar & Andrew Huberman

Dr. Samer Hattar and Dr. Andrew Huberman discuss when, how, and how long to view light for optimal sleep and wakefulness.

Dr. Samer Hattar is the Chief of the Section on Light and Circadian Rhythms at the National Institute of Mental Health. Dr. Hattar is a world-renowned expert on how viewing light at particular times adjusts our mood, ability to learn, stress and hormone levels, appetite, and mental health. Dr. Andrew Huberman is a neuroscientist and tenured professor in the Department of Neurobiology at Stanford University School of Medicine.