The Casper night-light blends into the background by day and shines with an ambient glow by night. Megan Beauchamp/NYT Wirecutter. The lights have lived up to their looks, too.

Every light in your home, including night lights (even the fancy LED kind) has a “lumens” value, which is a measurement of how much light they give off. For a night light, you want to keep ...

If you’ve ever sat rocking your toddler to sleep in the dark or fumbled through a dimly lit diaper change, you know how useful it is to have a good night light. But the best night lights are ...

A pair of night-vision glasses would change the way we navigate the late hours, from driving to walking home in the dark. This vision is nearer to reality, as researchers simplify how light is ...

Being exposed to too much artificial light through bedroom windows while you sleep at night was linked to a higher risk of diabetes in a study of tens of thousands in China. Here’s what you can ...

Brain Matters Why falling asleep with the lights on is bad for your health. Light exposure before bedtime and even as we sleep can have adverse consequences, research shows.

Cancer, heart disease, diabetes, Alzheimer’s – the list of diseases linked to nighttime light exposure is getting longer. Here’s what scientists think is happening and what to do about it.

Click on the Start menu (or tap the Windows key on your keyboard). Then type in “Night Light” to bring up a direct link to that setting. Alternatively, you can go to Start > Settings > System ...

Bright light in the day and dark when you sleep is good for your health, study finds : Shots - Health News Diet, exercise and sleep are fundamental to our health, but so it our relationship to light.