デイヴ・アスプリーさんのインスタグラム写真 - (デイヴ・アスプリーInstagram)「About 5% of the cells in your retina collect light and funnel it to the timing system in your brain so it can guess what time of day it is. Since there are no sources of bright white light in the middle of the night in nature, our timing system gets confused very quickly. You can still go to sleep; you just don’t get good sleep. After 14 years of tracking my sleep every night, I am more convinced than ever that darkness in the evening is one of the two most important things for me getting a good night's sleep. It’s why I started a company that makes patented glasses that solve the problem and special lightbulbs @truelight @truedark Even if you never use any of that stuff, turn your lights down, and get some dimmer switches. It lowers your risk of almost every metabolic disease. Are you going to do this tonight? Let me know in the comments 👇🏼」9月24日 22時24分