OKTO Solutions

You finish a long day at the office, then open your laptop again in the evening to wrap up a file. Your eyes ache, the screen feels harsh, and winding down at bedtime is a struggle. Blue light from screens is often the culprit. The good news is that Windows 11 handles most of the problem without installing any third-party software.

The feature is called Night Light. It warms up your screen’s colors in the evening to reduce eye strain and minimize the effect of blue light on your sleep. At OKTO Solutions, we often configure this setting on workstations for SMBs in Trois-Rivieres and the Mauricie region, because once it’s scheduled, it runs on its own. Here’s how to turn it on and set it up in just a few minutes.

Quick answer: To turn on Night Light in Windows 11, open Settings, go to System, Display, and then Night Light. Switch it on, adjust the intensity to your liking, and set an automatic schedule (for example, sunset to sunrise). Your screen colors will warm up in the evening, giving your eyes a break.

1. What exactly is Night Light

Screens emit a significant amount of blue light, the same wavelength as daylight. In the morning, that keeps you alert. In the evening, it sends the wrong signal to your brain and delays melatonin production, the hormone that prepares your body for sleep. The result: you go to bed exhausted but can’t fall asleep.

Windows 11’s Night Light isn’t magic. It simply shifts your display’s color balance toward warmer tones (more yellow, less blue) on a schedule you choose. It’s the same idea as your phone’s night mode.

  • Less eye strain after long hours at the screen.
  • A gentler wind-down at the end of the evening.
  • More comfort in a dimly lit room.
  • Nothing to install, no impact on performance.

Employee working on screen with the Microsoft 365 suite

2. Turning on Night Light in a few clicks

The process is short and done entirely in Windows 11 Settings. It takes less than two minutes.

  1. Click the Start menu, then Settings (the gear icon).
  2. Go to System, then Display.
  3. Click Night Light.
  4. Toggle Turn on now to see the effect right away.
  5. Drag the Strength slider to choose how warm you want the colors.

Even faster: click the network, sound, and battery icons in the bottom-right corner to open Quick Settings. A Night Light button is often there, letting you toggle it with one click. If the button isn’t showing, click the pencil icon to add it to your shortcuts.

3. Setting up an automatic schedule

The real advantage is letting Windows manage the schedule on its own. You don’t have to think about it: the screen warms up in the evening and returns to normal in the morning. On the Night Light page, turn on Schedule Night Light, then choose:

  • Sunset to sunrise: Windows automatically follows the hours based on your location. This option requires location services to be enabled in Privacy Settings.
  • Set hours: you pick a start and end time yourself, for example 8:00 PM to 7:00 AM. This is the most reliable option if you’d rather not share your location.

For a Mauricie SMB managing several workstations, this setting can also be deployed centrally across every computer on the team. That’s the kind of detail covered by OKTO Solutions’ IT fleet management, so every employee gets the right comfort without having to configure anything themselves.

OKTO Solutions technician providing remote support on a workstation

4. Setting the right intensity

A common mistake is cranking the intensity to maximum. The screen turns very orange and colors get distorted, which is a real problem if you’re working on images, photos, or documents where accurate color matters. A few simple guidelines:

  • Start around 40 to 60% intensity and adjust from there based on comfort.
  • Test it in the evening, under your real lighting conditions, not during the day.
  • Pair Night Light with reduced brightness in the evening: the two together are much easier on your eyes.
  • Temporarily disable Night Light for any task where precise color is critical (photo editing, choosing brand colors).

On some laptops, the adaptive brightness option also adjusts the screen based on ambient light. Used alongside Night Light, it makes the display more comfortable as the day winds down.

5. Going further to protect your team’s eyes

Night Light helps, but it doesn’t replace good habits. Screen work comes with clear guidelines in Quebec, particularly around breaks and monitor positioning. The best-known rule is 20-20-20: every 20 minutes, look at something about 20 feet (6 meters) away for 20 seconds. It relaxes your eye muscles.

  • Position your screen perpendicular to windows to avoid glare.
  • Keep the top of the screen at eye level, about an arm’s length away.
  • Take real micro-breaks, especially during long end-of-month evenings.
  • Clean your screen regularly: a clean screen is much easier on your eyes.

For an SMB in Trois-Rivieres or anywhere else in Quebec, a well-configured workstation is part of a healthy, productive work environment. It’s a small setting, but stacked with dozens of other best practices, it genuinely changes your employees’ day-to-day experience.

Frequently Asked Questions

Does Night Light damage the screen?

No. Night Light only changes the color display in software. It has no physical effect on the screen panel and doesn’t wear anything out. You can toggle it on and off as many times as you like.

Why is Night Light grayed out or not working?

It’s almost always a graphics card driver issue. Update your video card driver, restart, and the option will become available again. Some wireless displays and older adapters don’t support it either.

Does Night Light replace software like f.lux?

For most people, yes. Night Light covers the basic need without installing third-party software. External tools offer finer controls, but they’re only worth it if you want very precise control over color temperature.

A well-configured workstation, across all of Mauricie

Filtering blue light in the evening takes two minutes, but it’s just one example among dozens of settings that make a workstation more comfortable and secure. If you want every computer in your business to be optimized, protected, and maintained without you having to think about it, check out OKTO Solutions’ IT services or contact our Trois-Rivieres team to talk it over.