Studies have shown that exposure to bright blue light in the evening can affect your circadian rhythms and make it harder to fall asleep. Night Shift uses your computer's clock and geolocation to determine when it's sunset in your location. It then automatically shifts the colours in your display to the warmer end of the spectrum. In the morning it returns the display to its regular settings.

How to set up Night Shift

Make sure that your Mac meets the system requirements for Night Shift, then follow these steps:

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  1. Choose Apple menu () > System Preferences, then click Displays.
  2. Click the Night Shift tab.
  • May 21, 2018  With Night Shift for Mac, your computer changes the color temperature of the display towards the yellowish part of the color spectrum. Filtering blue wavelengths from the display effectively cuts down bright blue light that’s known to disrupt your sleep. The feature is similar to the functionality that the app f.lux provides.
  • F.lux fixes this: it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day. It's even possible that you're staying up.
  • Blue Light Reduction is one of the unique features of the latest iOS 9.3 Night Shift component. The Blue Light Reduction mode filters out blue light which makes it easier to use your iPod, iPhone & iPad at night or bed-time. Thus, making it soothing for your eyes to use your iOS device at night.
  • May 01, 2017  If it's too much for you, there are local PC/Mac software repair and data recovery services, for hardware repairs you should take it to a Apple Authorized Repair. Please read the disclaimers at the bottom. This User Tip is designed for Mac's that are capable of running OS X Snow Leopard (10.6) to any Mac running OS X Lion (10.7) or Mountain Lion.
  • . Iris mini — A truly lightweight blue-light filter application, Iris mini has no UI, no buttons, and no “confusing options,” just the ability to adjust your monitors’ coloring to best protect your.

May 31, 2020  CareUEyes is an eye care software with blue light filter,screen dimmer and bread minder (rest timer). This software provides eye protection for those who use their computer continuously for hours. Using this eye care software, you will be able to apply blue light filter to the computer screen in order to reduce eye strain.

Schedule: Create a custom Night Shift schedule or have Night Shift turn on automatically from sunset to sunrise. Mac app to edit computer art free.

Manual: Control Night Shift manually.

  • If Night Shift is off, select the checkbox to turn Night Shift on until 7 a.m. If you're using a schedule, Night Shift automatically turns off at the scheduled time.
  • If Night Shift is on, deselect the tickbox to turn Night Shift off. If you're using a schedule, Night Shift turns on again at the scheduled time.

Colour Temperature: Drag the slider to make the colour temperature more or less warm when Night Shift is on. Warmer colour temperatures show more yellow and less blue.


You can control the Manual setting from Notification Center as well. Click the Notification Center icon in the menu bar or swipe left with two fingers from the right side of your trackpad. Then scroll up to reveal the Night Shift setting.

System requirements for Night Shift

Night Shift requires macOS Sierra 10.12.4 and one of these Mac computers, using the built-in display or the displays listed:

  • MacBook models from early 2015 or later
  • MacBook Air models from mid 2012 or later
  • MacBook Pro models from mid 2012 or later
  • Mac mini models from late 2012 or later
  • iMac models from late 2012 or later
  • Mac Pro models from late 2013 or later
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  • Apple LED Cinema Display
  • Apple Thunderbolt Display
  • LG UltraFine 5K Display
  • LG UltraFine 4K Display

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Learn more

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  • Learn how to use Night Shift on your iPhone, iPad or iPod touch.
  • If you have a Mac that supports True Tone, you can use True Tone and Night Shift at the same time.