Most people start with a mild color setting at first. Of course people doing design work or other color sensitive work may not be able to use it. Once you get used to the colors, most people love the app and won’t go without it. As the evening wears on, the color shifts to amber/red over the course of an hour.
Flux for mac review full#
In the daytime your screen is in full color spectrum. The idea is to match the color of your screen to the color of the ambient lighting. You set it to your time zone and the degree of color shift that you want and it does the rest. F.lux and other screen “filter” appsį.lux is a free app that automatically shifts the color of your screen to a reddish amber color as the sun goes down. Most people believe that is all they need to do. Apple now has Night Shift built in to their latest operating systems. F.lux is a very popular app for PC users. Most articles now recommend installing blue “filtering” apps.
That’s great advice, but not practical for many people. The standard advice is no screen-time an hour or two before bed. These are compounded by lack of quality sleep. Circadian dis-regulation and chronic melatonin depletion have very serious health consequences. And it’s not only making it harder for us to fall asleep.
Shining blue-rich light into our eyeballs at night is screwing with our body’s timekeeping mechanisms. It turns out that light at the blue end of the spectrum is how our bodies track what time of day it is. These screens that we’re staring into, emit large amounts of blue light. It seems that every week there are new studies and news articles about the dangers screen use at night. F.lux, Night Shift, and other screen “filter” apps are not the solution to circadian disruption and poor sleep.
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