![]() The blue light has been found to stimulate nerves and the brain simultaneously and deprives sleep. This is one reason why why can not sleep even if we are tired. After several years of exhaustive research, scientists from different parts of the world have found out that blue light disturbs sleep by hyper activating the eyes and the nervous system. What is this blue light filter? Computer or mobile screens have a bluish hue in their back light. Almost all major operating system platforms have included the blue light filter in their ecosystems. The function of the night shift is basically to turn on the blue light filter on the operating system and help improve sleep of users who use PC till late night. Mac OS X has also introduced the Night Shift feature which is nothing but the blue light filter. ![]()
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