Diet, exercise and sleep are fundamental to our health, but so it our relationship to light. A massive, new study suggests light-driven disruption can take years off our lives.

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.

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 ...

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 ...

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. They automatically ...

Light exposure before bedtime and even as we sleep can have adverse consequences, research shows. Here’s what you can do about it. December 1, 2022 More than 2 years ago ...

For a night light, you want to keep that value at 50 or lower. By comparison, an average everyday light bulb puts out somewhere between 1,500 and 2,000 lumens, so your night light won’t be very ...