Whether you're a morning lark or night owl, it allows you to set the time of the sunset and sunrise so that you can have full control over your sleep cycle. By tempering this blue light, it becomes easier to wind down properly at night and, thus, have a more restful sleep.
Scientific research has shown that melatonin - the chemical the brain makes late in the day - is reduced when exposed to blue light. Windows 10 users can find this feature built-in - Enable Night Light Mode in Windows 10 to Reduce Eye Strain SunsetScreen helps take the glare off your monitor in the evening.