The science behind blue light’s dual nature. Blue light sits at the high-energy end of the visible light spectrum, characterized by shorter wavelengths between 450 and 495 nanometers.

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.

You bought blue light glasses to save your eyes from screen strain, but somehow they’re making everything worse. Your eyes feel tired, your head hurts, and the world looks like it’s been ...

Blue light is part of the visible light spectrum and accounts for about one-third of all light we see as humans. This type of light influences alertness, hormone production and sleep cycles.

Blue light emitted by devices like smartphones, computers, and televisions is becoming a major factor disrupting our sleep cycles. Research reveals that a significant number of Americans use ...

Blue light is a high-energy light that the eyes absorb from computers, smartphones, LED lights, and fluorescent lights. The sun is the biggest source of blue light. On a sunny day, it's 100,000 ...

If blue light isn't behind your restless nights, it might be your bed that's stopping your sleep. Our guide to the best mattresses of 2024 can help you find the perfect sleep setup for your needs, ...

Blue light has shorter wavelengths (around 400-500nm, as mentioned) compared to red light, which ranges from 620 to 750 nm. (Green light, which is also sometimes used for skin, falls somewhere in ...