This is often called night mode or dark mode. It changes the background from white to black. Install blue light-filtering apps on smartphones, tablets, and computer screens. They filter a lot of ...

Researchers exposed 16 subjects to three different types of light for an hour before they went to sleep for the night. After using blue-dim, yellow, and constant white background/control light ...

That’s because your smartphone, tablet, laptop, and TV all give off blue light. So do fluorescent and LED (light-emitting diode) light bulbs. While evidence is growing that shows blue light can ...

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. NY Post Composite Blue light ...

It seems like common sense that the glaring blue light of your smartphone can prevent you from falling asleep. Light is what we need to get us going in the morning, so of course a bright phone ...