Blue light from artificial light sources can affect sleep, which in turn can have adverse effects on the skin, such as skin pigmentation and accelerated skin aging. Skin pigmentation: Blue light from artificial light sources can affect sleep, resulting in skin pigmentation, pigmentation spots and other conditions. Accelerated skin aging: As we age, our skin ages. When long-term sleep deprivation, the skin aging process can be accelerated, resulting in loss of collagen fibers, wrinkles and other conditions. Long-term exposure to the blue light emitted by artificial light sources has a certain effect on the skin, daily life should pay attention to reduce exposure, in favor of sleep and skin health.