How To Enable Blue Light Filter on Windows 11 (Night Light)

The new Night Light feature can reduce eye strain when looking at the computer screen. Here is how to turn on Night Light in Windows 11.

Starting in Windows 10, Microsoft added a handy feature called Night Light. When turned on, Windows will change the display color temperature to warm. This, in turn, reduces the eye strain while looking at the display. If you don’t know, almost all modern color displays like your mobile phone, laptop screen, or external monitor emit blue light under normal conditions. This blue light from your screen can delay sleep and even increase eye strain under certain circumstances.

Over the years, Windows users had to use third-party applications like F.lux. However, that is no longer needed. You can now enable Night Light in Windows 11 and reduce eye strain. This new feature is handy for users working long hours at night.

So, without delay, here is how to turn on Night Light in Windows 11 and schedule Night Light at a specific time in Windows 11.

• What is the Night Light feature in Windows 11?
• Turn on Night Light in Windows 11
• Schedule Night Light to turn on automatically
• Turn off Night Light in Windows 11
• I cannot find the Night Light button in Quick Settings

What is the Night Light feature in Windows 11?

The new Night Light feature in Windows 11 reduces blue light emitting from your display. This will reduce eye strain and help you sleep better at night.

If you don’t know, blue light from your screen, be it a laptop, smartphone, or an external monitor is very different from other light wavelengths. Blue light is known to throw your circadian rhythm out the window and disrupt the biological clock.

Now, any kind of light at night is not that good for your eyes. However, blue light is the worst at disturbing your biological clock. Once disturbed, your sleep schedule will suffer and increase eye strain. In fact, sleep disruption can even cause other health problems like obesity, diabetes, hair fall, and more.

Due to all the problems associated with blue light, it is better to avoid it as much as possible. That is one of the reasons why doctors suggest using dim, warm light even at home when bright white or blue light is not absolutely necessary.

In Windows, you can turn on the Night Light feature to reduce blue light emitting from the screen.

To know more about the blue light and its effect, follow the Harvard Health article — https://www.health.harvard.edu/staying-healthy/blue-light-has-a-dark-side

Turn on Night Light in Windows 11

You can turn on Night Light from the Settings app or Quick Settings panel. I will show both methods. Follow the one you like.

From the Settings app

The settings app has a dedicated option on the Display options page to enable the Night Light feature. Here is how to find the feature and turn it on.

1. Use the “Start + I” to open Settings.
2. Click on “System” on the sidebar.
3. Click on the “Display” option on the main panel.
4. Turn on the “Night Light” feature.
5. With that, the Night Light feature is enabled in Windows 11.

Same steps in a bit more detail and screenshots.

First, use the “Start + I” keyboard shortcut to open the Settings app. You can also open it from the Power User menu (Start + X) or search for it directly in the Start menu. Select the “System” option on the sidebar and then click on the “Display” option in the main panel of the Settings app.

Now, turn on the “Night Light” feature. The Night Light feature is instantly turned on, and the screen temperature turns warm as soon as you do that. That is it.

Windows 11 automatically sets the color temperature to a moderate level by default. If you want to change the intensity of the warm color temperature, you can do that. For that, click on the “Night Light” option on the Display page. Now, use the “Strength” slider to change the color temperature intensity. As you move the slider, Windows 11 shows the change live. So, you don’t have to guess. Set the slider where you feel comfortable, and you are good to go. Changes are saved automatically.

From the Quick Settings panel

The Windows 11 Quick Settings panel makes it easy to turn the Night Light feature on and off quickly. Here is how to do it.

1. Click on the “Network icon” on the taskbar.
2. Click the “Night Light” feature to turn it on.
3. Once turned on, the screen color temperature turns warm.
4. That’s it; with that, you’ve enabled Night Light.

Note: If you cannot find the Night Light button in the Quick Settings panel, it might be hidden. Follow the last section to add Night Light to the Quick Settings panel.

Schedule Night Light to turn on automatically

Rather than turning it on and off manually, you can schedule Night Light in Windows 11. That way, the Night Light feature will turn on and off automatically at a given time. Here’s how to schedule Night Light in Windows 11.

First, right-click on the Start menu and select the “Settings” option to open the Settings app. Next, go to the “System > Display” page.

Once you are here, click on the “Night Light” option.

After that, turn on the “Schedule night light” option.

The Settings app will show additional options as soon as you do that. Here, select the “Set hours” option.

Next, select a time from the “Turn on” and “Turn off” dropdown menus. For example, I chose to turn on Night Light at 7 PM and turn it off at 7 AM. Changes are saved automatically.

Finally, close the Settings app.

That is it. With that, you have scheduled Night Light in Windows 11.

Turn off Night Light in Windows 11

To turn off the Night Light feature, follow the below steps.

From the Settings app

1. Open the Settings app.
2. Go to the “System > Display” page.
3. Turn off the “Night Light” option.
4. With that, the Night Light feature is turned off.

From the Quick Settings panel

1. Click on the “Network icon” on the taskbar.
2. Click the “Night Light” feature to turn it off.
3. Once turned off, the color temperature turns normal.
4. That’s it; with that, you’ve enabled Night Light.

Note: If you cannot find the Night Light button in the Quick Settings panel, it might be hidden. Follow the last section to add Night Light to the Quick Settings panel.

I cannot find the Night Light button in Quick Settings

If you cannot find the Night Light button in the Quick Settings panel, it might be hidden. You can add it back. Here’s how.

1. Click on the “Network” icon on the taskbar.
2. Press the “Edit” icon in Quick Settings.
3. Click the “Add” button.
4. Select the “Night Light” option.
5. Click the “Done” button.
6. With that, the Night Light button is added to the Quick Settings.

That is it. It is that simple to turn on Night Light in Windows 11.

I hope this quick and easy Windows 11 how-to guide helped you.

If you are stuck or need some help, comment below, and I will try to help as much as possible.