Think blue light is hurting your sleep cycle? A new study suggests it can actually improve the overall sleep quality of older adults — but only if they time it right.

Blue Light Sources Americans spend an average of 7 hours a day on electronic devices. That’s a lot of time staring at blue light. Worse yet, nine out of 10 Americans admit to reaching for an ...

Blue light from phones, tablets and TVs may induce early puberty: study By Hannah Sparks Published Sep. 25, 2023, 12:29 p.m. ET ...

The study was published July 5 in the journal Scientific Reports. Researchers are studying blue light coming from TVs, smartphones and tablets to figure out what impact it has during everyday ...

A blue shirt absorbs all wavelengths of light except those that make up the color blue (roughly 450 nanometers) and reflects what's left into the area around it, including our light-sensitive retinas.