You can dim the brightness but it doesn’t take away the blue light, and that’s what’s messing with your sleep.į.lux has tried to get into the iOS App Store for years but have never gotten the green light from Apple. These screens have not only gotten brighter but as of 2012 also bigger in size, emitting even more light. I’ve gone from iPad Touch to iPhone by now and each generation of i-device since my first Touch has gotten a brighter LCD in it. This is for a lot of people the year where sleep quality started taking a hit □Ī year later the iPhone App Store launched so these devices became even more interesting. Suddenly a bright display is with me everywhere, including in bed as I tinkered around with it before I fell asleep. Basically it filters out blue light from your display so that your natural sleep rhythm is not as impacted. The earliest reference I can find is from 2009 but I am confident I was using this (or something like it) long before that. I want to say 2005/2006 maybe when I started using it, an early iteration of it or an app that did something similar. Step 1.If you are not familiar with these terms, here’s a little history.į.lux is an application that I’ve been using for as long as I can remember. To configure the feature, go to Night Light Settings, to adjust the colour temperature and schedule blue light filtering between specific times. This will open a window where you can toggle the blue light filter. To activate the blue light filter feature, ‘Night Light’, on Windows 10, right click on your desktop > Display Settings. If you’re running an older version of Android, like Android One or stock Android, and can’t find this feature, there are a number of apps that can help you achieve the same results, such as Twilight and Blue Light Filter. Google’s Pixel and Pixel 2 have this feature built-in, along with other manufacturers such as, Honor, Huawei, Asus, OnePlus, Samsung. Several Android manufacturers include blue light filters into their devices. You can then schedule the blue light filter between specific hours, or adjust your device’s ‘Intensity’, allowing you to filter out the blue light. To activate the blue light filter on your Android phone or tablet, go to Settings > Display > Night Light or Blue Light Feature (depending on your device). To run the blue light filter feature ‘Night Shift’ on your Apple Mac, you must be running MacOS version Sierra 10.12.4 or newer on one of the following Mac computers. You can choose to activate it between sunset and sunrise or specific hours, or enable it until the next day, or adjust your Mac’s screen color temperature. To activate the feature, go to System Preferences > Displays > Night Shift. Mac (MacOS)Īpple added a blue light filter for Mac OS in March 2017 called ‘Night Shift'. To run the native blue light filter app ‘Night Shift’ on your iOS device, you must be running iOS version 9.3 or newer (iPhone 5s or iPad 2). You can then schedule the feature for specific times of the day, or enable it until the next day, or adjust your screen’s color temperature, thereby filtering out the blue light. To activate the blue light filter on your iPhone or iPad (iOS), go to Settings > Display & Brightness > Night Shift. While those apps will help you get better sleep, checking social media or messaging your friends will increase brain activity and will keep you awake longer. Being exposed to this kind of light in the evening confuses our body and reduces the production of melatonin, the hormone responsible for triggering sleep.įilter apps, by removing this blue light, turns your screen to a warmer, yellowish color, which reduces the negative impact of screens on sleep quality.Įven then, we would like to add, that it’s better to stay away from screens before sleep. Screens emit a blueish light, in terms of wavelength, similar to the sunlight at noon. This has been disrupted by the rise of electric light and, more recently, by our constant usage of screens, which has led to a significant deterioration of our sleep quality. Light and temperature, are the two most important factors responsible for regulating our sleep cycle.įor most of human history, our sleep has been guided by the sunlight.
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