Use Night Shift on your Mac

Night Shift automatically shifts the colors of your display to the warmer end of the color spectrum after dark.

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 colors 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:

  1. Choose Apple menu  > System Preferences.
  2. Click Displays. 
  3. Click the Night Shift tab.
    Displays System Preferences with Night Shift options selected

Schedule: Create a custom Night Shift schedule or have Night Shift turn on automatically from sunset to sunrise.

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 checkbox to turn Night Shift off. If you're using a schedule, Night Shift turns on again at the scheduled time.

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

System requirements for Night Shift

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

  • Apple Pro Display XDR
  • Apple LED Cinema Display
  • Apple Thunderbolt Display
  • LG UltraFine 5K Display
  • LG UltraFine 4K Display
     

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