How Blue Light Hurts Sleep. Your eyes aren’t good at blocking blue light. So almost all of it passes straight through to the back of your retina, which helps your brain translate light into images.

Image: screenshot from the article. We’re stepping a little outside our standard one-link-a-week format for this one. The TL;DR is that high contrast between background and text colors is important, ...

While there are some advantages of using dark mode, it may not be good for you. Here's why you may want to avoid the light-on-dark theme.

Price: Don’t assume that you’ll get better blue-light blocking by spending more: A July 2019 study in Optometry and Vision Science found no correlation between price and advertising claims ...

The light from our devices is “short-wavelength-enriched,” meaning it has a higher concentration of blue light than natural light—and blue light affects levels of the sleep-inducing hormone ...