Retinal damage. sunlight contains UV and blue light. Blue light, which is part of the visible light spectrum, reaches deeper into the eye and its cumulative effect can cause damage to the retina. Furthermore, in certain wavelengths, blue light is implicated in the development of age-related macular degeneration (AMD).
Sleep deprivation.... research shows that the shorter wavelengths in blue light is what causes the body to produce less melatonin because the body is more sensitive to this type of light. ... Other studies have found that blue wavelengths suppress delta brainwaves, which induce sleep, and boost alpha wavelengths, which create alertness.
