Blue light may contribute to headaches, but it's likely that other factors, like eye strain from staring at a screen for too ...

Fluorescent and LED (light-emitting diode) light bulbs also give off blue light. Each color in the visible light spectrum has a different wavelength and energy level. Blue light has shorter ...

To most people, this light appears blue. There’s still a limited amount of research looking at the effects of other light colors on our sleep cycles. However, there’s some evidence that warm ...