After a long time to see the phone, will sleep difficult?
This is because of blue light. Cell phone and flat panel screen issued by the blue light is a wavelength range of 380-550nm will affect the circadian regulation of the visible light waves. Scientific research shows that blue light can cause damage to the retina, and easily lead to age-related macular degeneration (AMD) eye disease. Exposure to blue light will inhibit the secretion of melatonin, this hormone will affect the circadian rhythm. It has been proven that weakening blue light can effectively help sleep.
Blu-ray filter by adjusting the phone screen light to weaken the blue light. Switching the phone to night mode can greatly ease the eye fatigue, and the night when the phone will feel comfortable when the eyes. Blu-ray filter can not only protect the eyes, but also can effectively help sleep.