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Nighttime exposure to bright light is associated with a higher risk of cardiovascular disease, but there’s plenty you can do about it.

The auto-brightness, or adaptive brightness setting as it's called on some Android phone models, is a feature that uses a light sensor to automatically adjust your phone's brightness based on ...

As good as iPhone screens have become over the years, readability can still be an issue due to brightness. Chances are you've experienced one or two instances where your iPhone's display was either ...

The alarm rings, but your day began an hour earlier, with a quick check of emails and a scroll through the news. The way to ...

Chelsea Reynolds is affiliated with Flinders University with academic status, is a member of the Australasian Sleep Association, and is a co-founder of the digital CBTi program, Bedtime Window. It’s ...

A new study suggests that blue light such as from phone screens may not be as disruptive to sleep as previously thought. The study looked at how people reacted to different types of light. They found ...

Just like today’s HDTVs, not all rooms are created the same. If your HDTV happens to be in a room that is naturally bright for daytime movies, your overall viewing experience could take a big hit. The ...

Want to take advantage of Apple’s brightest screen yet on the Ultra? Or get your Apple Watch Series 8, SE, or earlier Apple Watch up to the full 1,000 nits? Here’s how to turn up Apple Watch screen ...

You can change the color of your iPhone screen in several ways through the device's Accessibility settings. Here's how to do it.

Your MacBook does not know better than you. Apple's macOS has an infuriating habit of automatically changing the computer's screen brightness level, seemingly at random. No, it's not all in your head.

Share on Pinterest Spending time on your mobile phone at bedtime can result in poorer-quality sleep and insufficient sleep. MTStock Studio/Getty Images A new Norwegian study finds that one hour of ...