Working Late on Your Mac? Turn on Night Shift to Help Your Sleep

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Research suggests that exposure to blue light fools your body into thinking it’s daytime, making it harder to fall asleep if you work late on a Mac with a bright white (which has a lot of blue light) screen. To help, a macOS feature called Night Shift subtly changes the colors of the screen as the sun sets to reduce the amount of blue light hitting your eyes. In essence, everything gets slightly warmer. To configure your Night Shift schedule—so it turns on and off automatically—go to System Settings > Displays > Night Shift. You can set any times, but Sunset to Sunrise adjusts for the sun’s movement in your location throughout the year. One warning: if you edit photos or videos, or work on graphics where specific colors matter, Night Shift’s color changes may be problematic.

(Featured image by iStock.com/PeopleImages)


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