Did you know that according to research, prolonged blue light exposure can cause lower levels of melatonin expression in our bodies than any other kind of light? Although blue light is not an environmental hazard, it can cause sleep disruption and be a potential cause of some diseases.
Before the invention of artificial lights, the sun was the only source of illumination, and our nights were usually dark. Our nights now are illuminated, and we can run our errands at night, too, which were only possible in daylight before. However, this nighttime illumination comes with a price.
In this article, we will have an overview of how blue light can affect our sleep and be a major cause in whacking out our circadian rhythm.