How to Turn Off Blue Light on iPhone 13: A Step-by-Step Guide


Michael Collins

how to turn off blue light on iphone 13

Blue light can strain your eyes and mess with your sleep. If you own an iPhone 13, you can use the built-in "Night Shift" feature to reduce blue light. By following a few simple steps, you can easily turn on this feature and protect your eyes. Here’s a quick guide to help you get started.

Turning Off Blue Light on iPhone 13

The following steps will show you how to enable the "Night Shift" feature on your iPhone 13, which reduces blue light and makes your screen easier on your eyes.

Step 1: Open Settings

Tap on the "Settings" app on your home screen.

The Settings app looks like a gear icon and is usually found on your home screen. If you can’t find it, swipe down on your screen to bring up the search bar and type "Settings."

Step 2: Go to "Display & Brightness"

Scroll down and tap on "Display & Brightness."

This section controls your screen’s display settings, including brightness and Night Shift.

Step 3: Select "Night Shift"

Tap on the "Night Shift" option.

Night Shift is the feature that allows you to reduce blue light by altering the colors of your display to warmer tones.

Step 4: Enable "Scheduled" or "Manually Enable Until Tomorrow"

Toggle the "Scheduled" switch to schedule Night Shift or select "Manually Enable Until Tomorrow."

If you choose "Scheduled," you can set specific times for Night Shift to turn on and off automatically. If you select "Manually Enable Until Tomorrow," Night Shift will stay on until the next day.

Step 5: Adjust the Color Temperature

Use the slider to adjust the color temperature.

Moving the slider to the left makes the screen colors cooler, while sliding it to the right makes them warmer. Adjust it to your preference to reduce eye strain effectively.

After completing these steps, your iPhone 13’s screen will emit less blue light, making it easier on your eyes, especially in low-light conditions.

Tips for Turning Off Blue Light on iPhone 13

  • Automatic Schedule: Set Night Shift to turn on automatically from sunset to sunrise for convenience.
  • Brightness: Lower screen brightness in addition to using Night Shift for even less eye strain.
  • Dark Mode: Enable Dark Mode to further reduce blue light exposure.
  • App Settings: Some apps have their own night mode settings which can complement Night Shift.
  • Screen Time: Take regular breaks from your screen to reduce overall eye strain.

Frequently Asked Questions

Does Night Shift affect battery life?

No, Night Shift does not significantly impact battery life.

Can I use Night Shift with Dark Mode?

Yes, you can use both Night Shift and Dark Mode simultaneously.

Will Night Shift affect the color accuracy of my screen?

Yes, Night Shift alters the color tones, making them warmer.

Is there any way to adjust the intensity of Night Shift?

Yes, you can adjust the color temperature using the slider in the Night Shift settings.

Can I turn Night Shift on and off manually?

Yes, you can manually enable or disable Night Shift at any time through the Control Center or Settings.


  1. Open Settings.
  2. Go to "Display & Brightness."
  3. Select "Night Shift."
  4. Enable "Scheduled" or "Manually Enable Until Tomorrow."
  5. Adjust the color temperature.


Turning off blue light on your iPhone 13 by using the Night Shift feature ensures that your eyes are less strained, especially during nighttime usage. Following these simple steps can lead to better sleep and reduced eye discomfort. While you’re at it, consider enabling other features like Dark Mode and lowering your screen brightness to further mitigate blue light exposure. If you found this information helpful, why not explore other ways to optimize your iPhone 13 settings? Whether it’s maximizing battery life or organizing your apps, there’s always something new to learn.

Taking a few minutes to tweak these settings today could make a big difference in how you use your device tomorrow. So go ahead, give your eyes a break, and enjoy a better digital experience on your iPhone 13!