LED lights have taken over modern homes and workplaces. They're energy efficient, affordable, and marketed as the future of ...

Bright outdoor light exposure at night is associated with an increased risk of heart disease, according to an October study published in the Journal of the American Medical Association. Light at night ...

This real-world study shows that recent and habitual light exposure are linked to lower subjective sleepiness and faster reaction times in daily life. Brighter and more stable daytime light patterns ...