However, recent research from analysis site The Conversation indicates that your pre-bed smartphone habit might not be the ...

Together, they make the white light you see when the sun -- the main source of blue light -- is shining. Fluorescent and LED (light-emitting diode) light bulbs also give off blue light.

LED lights are one of the most common type of lights in our lives now, but the creation of specifically blue LEDs proved to be incredibly important.

You’ve probably been told a thousand times to banish blue light from your bedroom. Toss out those LED bulbs. Enable night mode on every device. Buy those amber glasses that make you look like a ...

Some motorcycle drivers are adding a small blue light to their bikes to create a whole new vibe while riding down the street.

Light pollution blues: photographs of London taken on board the ISS in 2012 (left) and 2020 (right). The images show the whitening and brightening of the city. (Courtesy: A Sánchez de Miguel et al / ...

Blue light from your PC's screen may disrupt your circadian rhythm. Here's how to use a blue light filter with built-in night modes on your PC or Mac .

How Blue Light Affects Your Sleep Are glasses and apps that block blue light effective? Research is mixed, though regulating light exposure is actually critical to healthy sleep.

Too much exposure to blue light could lead to insomnia and symptoms of depression. Learn more about how it can affect your mental health.

Another benefit the study authors suggest is that LED lights are marketed as an energy-efficient alternative. However, the findings show LED lights give off more blue light emissions.