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

Turning off the blue light on your iPhone is a breeze. All it takes is a few simple steps, and you’ll be on your way to a more eye-friendly screen experience, especially during the nighttime. Ready to get started? Let’s dive into the details!

Step by Step Tutorial: Turning Off Blue Light on iPhone

Before you know it, you’ll have the blue light on your iPhone turned off, thanks to the built-in feature called Night Shift. This feature adjusts your screen’s colors to the warmer end of the spectrum, making the display easier on your eyes.

Step 1: Open Settings

Open the Settings app on your iPhone.

When you tap on the Settings icon, which looks like a gear, you’ll be taken to the main settings menu where you can customize various aspects of your iPhone.

Step 2: Tap on Display & Brightness

Scroll down and select the “Display & Brightness” option.

In this menu, you will find all the settings related to your iPhone’s screen, including brightness levels, text size, and the Night Shift feature.

Step 3: Select Night Shift

Tap on “Night Shift” to access the blue light filter settings.

Night Shift is specifically designed to reduce blue light emission from your iPhone’s screen, which can help improve your sleep quality if you use your phone before bed.

Step 4: Schedule Night Shift

You can schedule Night Shift to turn on automatically at a specific time or enable it until the next day.

By scheduling Night Shift, you won’t have to remember to turn it on every night; it’ll automatically adjust your screen’s colors at your preferred time.

Step 5: Adjust Color Temperature

Use the slider to adjust the color temperature to your liking.

The slider lets you determine how warm you want your screen’s colors to be. The further to the right you move the slider, the warmer (less blue) the screen will appear.

After you’ve completed these steps, Night Shift will be active, and you’ll immediately notice the difference in your screen’s color temperature. It’s a subtle change that can have a significant impact on your eyes and sleep patterns.

Tips for Turning Off Blue Light on iPhone

  • Keep in mind that the warmer your screen’s color temperature, the less blue light it emits.
  • You can quickly toggle Night Shift on or off by using the Control Center. Just swipe down from the top right corner of your screen and press the Night Shift icon.
  • If you find that the screen is too warm for your taste, you can always readjust the color temperature to find a balance that works for you.
  • Night Shift won’t interfere with any apps or functions on your iPhone; it simply changes the color temperature of your display.
  • If you wear blue light blocking glasses, you may still want to use Night Shift to reduce your overall blue light exposure.

Frequently Asked Questions

Does turning off blue light actually help with sleep?

Yes, studies have shown that reducing blue light exposure in the evening can help improve sleep by regulating melatonin production.

Can I use Night Shift during the day?

Absolutely! If you find that your eyes are sensitive to blue light at any time, feel free to use Night Shift whenever it’s comfortable for you.

Will Night Shift affect my iPhone’s battery life?

Night Shift has a minimal impact on battery life, so you shouldn’t notice any significant changes in how long your battery lasts.

Can I use Night Shift with Auto-Brightness?

Yes, Night Shift works independently of Auto-Brightness, so feel free to use both features concurrently.

Is there a way to turn off blue light on all my devices?

Many devices now come with a built-in blue light filter similar to Night Shift. Check the settings on your other devices to see if they have a similar feature.


  1. Open the Settings app.
  2. Tap on Display & Brightness.
  3. Select Night Shift.
  4. Schedule Night Shift or enable it until the next day.
  5. Adjust the color temperature to your preference.


Turning off the blue light on your iPhone is an easy and effective way to protect your eyes and improve your sleep. With the Night Shift feature, you have complete control over your screen’s color temperature, allowing you to create a more comfortable viewing experience. Whether you’re browsing before bed or working on your phone all day, adjusting the blue light emission can make a world of difference.

Remember that technology is here to serve us, not the other way around. By customizing your iPhone to suit your needs, you’re taking a step towards a healthier and more balanced digital lifestyle. Try out the Night Shift feature tonight and see how it can positively impact your sleep and overall well-being. And if you have any other devices, don’t forget to check if they too offer a similar feature to keep all your screens eye-friendly. Now, go ahead and enjoy your blue light-free iPhone experience!

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