About this podcast

Dive deep into the science of light with Dr. Andrew Huberman and his guest, Dr. Samer Hattar, Chief of the Section on Light and Circadian Rhythms at the National Institute of Mental Health. This 'Essentials' episode uncovers how light, often overlooked, is a powerful regulator of our internal biological clock, influencing everything from mood and sleep to appetite and learning. Learn practical, science-backed protocols to harmonize your circadian rhythm, including the critical role of morning sunlight exposure, strategic dimming of evening lights, and consistent mealtimes. The discussion also provides actionable strategies to combat jet lag, mitigate the effects of screen use, alleviate seasonal depression, and sharpen your focus by consciously aligning your light exposure, sleep patterns, and food intake with your natural biological rhythms. Discover why understanding light's subtle yet profound effects is essential for optimizing your mental health, energy, and overall well-being.