Research

Bright light has been studied for decades for its relationship to seasonal changes, daily rhythms, sleep-wake patterns, alertness, and overall well-being. The resources below explore the science of light exposure, how changes in natural daylight can affect our daily routines, and the ways bright light has been researched and used over the years. Browse these topics to learn more about bright light, seasonal light exposure, choosing a quality light box, and the growing body of research surrounding light and the human body.