How to Eliminate Blue Light with Windows 10 Night Light

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Studies show the blue light cast by bright screens (such as the one on your laptop or mobile device) reduce our ability to fall asleep fast, and maintain our energy throughout the day. This light actually tricks our brain into believing it’s day time, which throws off our circadian rhythm, but that’s a scientific query best left for googling.

At first, we had f.lux, an app that aimed to remove the blue from our screens that kept us up at night. In newer Windows 10 builds, the functionality is baked right into a feature called Night Light. Here’s how to activate it.

1. Open the Start Menu.

2. Click the gear icon to bring up the Settings Menu.

3. Choose System.

4. Select Display.

5. Toggle the Night light switch to On.

6. Click Night light settings to adjust the level of blue displayed, or determine the time for Night Light to activate automatically. 

Windows 10 Basics

Bryan Clark

Bryan covers everything you need to know about Windows, social media, and the internet at large for Laptop Mag. Thanks to his extensive knowledge of operating systems and some of the most popular software out there, Bryan has written hundreds of helpful guides, including tips related to Windows 11 drivers, upgrading to a newer version of the OS, editing in Microsoft Photos, or rearranging pages in Google Docs.