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Nowadays, many things are easily solved online. This means that many employees in different companies, most often separated from the business, sit at computers and deal with e-mails and other business matters. Computers are good servants but evil masters. They can speed up many things and activities, but unfortunately it takes its toll, namely eye pain or insomnia user. Monitors radiate blue light, which both of these problems (and several others) cause. In the end, the user comes home tired, he wants to rest, but unfortunately he doesn't quite succeed.

I am one of those users who spend several hours a day at the computer. All my work is done on the computer only, which means that I drink my morning coffee at the computer, as well as my evening tea. Unfortunately, I'm not quite the youngest either, and lately I've started feeling pretty tired. It wasn't so much physical fatigue as it was eye strain, headache, trouble falling asleep, and poor sleep. It kind of dawned on me that my body was telling me that something was wrong. Every day I woke up with completely dry eyes, when every blink was a pain, with a headache and a feeling of insomnia. But I didn't want to admit that blue light could be the problem, even though I've already written several different articles about it. However, I had no choice but to try to limit blue light, especially in the evening and at night.

blue light
Source: Unsplash

You can find Night Shift within macOS, which is a simple application that allows you to set a blue light filter at a certain time of day. It should be noted, however, that in the Night Shift settings you will only find the (de)activation time setting and the filter strength level. So once Night Shift is activated, it has the same intensity throughout its duration. Of course, this can help a little, but it's nothing extra - besides if you set the level of warmer colors close to the default value. Even before Night Shift was added, there was a lot of buzz about an app called F.lux, which was both very popular at the time and the only option you could use to apply a blue light filter. But when Apple added Night Shift to macOS, many users gave up on F.lux - which at first glance seems logical, but at second glance it was a big mistake.

F.lux can work with the screen of your Mac or MacBook during the day. By that I mean it doesn't work like Night Shift, where you only set the blue light filter activation time. Within the F.lux application, you can set options that will make the blue light filter constantly stronger depending on what time it is. This means that the filter can be activated at, for example, 17 p.m. and will gradually become stronger until nightfall, until you turn off the computer. F.lux works immediately after installation and there is no need to set it up in any complicated way - you just choose the time when you get up in the morning. Any attenuation of the filter is set accordingly. The F.lux app only works based on your location, based on which it calculates how strong the filter should be. However, there are also different profiles available, for example for working late into the night, etc.

F.lux available absolutely free of charge and I can personally say that it was easy to pay for it as part of a subscription. After I installed F.lu.x, I found out on the first night that this is just the thing. Of course, I didn't want to judge the app's functionality after the first night, so I continued using F.lux for a few more days. Currently, I have been using F.lux for almost a month and I must say that my health problems have practically completely disappeared. I have absolutely no problem with my eyes now - I don't need to use special drops anymore, I last had a headache about a month ago and as for sleep, I am able to lie down after work and sleep like a baby within a few minutes. So, if you also have similar problems and work several hours a day on the computer, it is quite likely that the blue light from the monitors is responsible for them. So definitely give F.lux at least a chance as it can solve all your problems. F.lux is free, but if it helps you as much as it helped me, don't be afraid to send at least some money to the developers.

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