5 Charts That Show How Smartphones Ruin Sleep
Blue light makes the brain think it's time to wake up, just as you're getting ready for bed. The answer to the question "How'd you sleep?" has, for most of human history, been "not too well." Even before the advent of electric light, people slept two or three to a bed, next to a chamber pot, and …
Trust Mubaiwa flipped this story into Smartphone Problems •3319d