The video discusses the role of light in circadian rhythms and how blue light after sunset can disrupt sleep. It recommends using light to help regulate circadian rhythms and installing light blocking glasses in the evening to improve sleep.
00:00:00 This video is with Andy Matt, an expert on how light affects health. It discusses the role of light in circadian rhythm, how blue light after sunset can disrupt sleep, and how to improve sleep by limiting time on digital devices and using blue light blocking glasses with orange lenses.
00:05:00 The video discusses how people can improve their sleep by using light to help regulate their circadian rhythms, and by installing light blocking glasses in the evening. The website where the video is hosted also has articles on light and sleep, as well as light blocking glasses, sleep masks, and other light therapies.