Youtube Account: Niklas Gustafson

Why You Can’t Sleep at Night | Niklas Gustafson

I used to put my sunglasses all the time without thinking about it. Then I learned how the body actually knows what time it is. Our eyes have special cells that detect daylight and pass that signal to the brain. That’s how our internal clock stays on time. And it needs the help, because left alone it runs a little longer than 24 hours. Somehow, most of us have ended up doing the opposite of what it needs: Sunglasses on Avoid daylight Stay indoors Every light on Phone till bed Melatonin The research on this genuinely surprised me. Ordinary room lighting in the evening shortened melatonin production by about 90 minutes. Reading on a tablet suppressed it by around 55%. Phone night mode made no real difference to sleep. My favourite study sent people camping for a week with no electric …