During testing of Night Shift, I found that it worked well for me to turn it on at sunset and have it go off at sunrise. By default, Night Shift is set with a scheduled time between 10 PM and 7 AM (see image below). Tap the Scheduled button to turn it on (it will turn green). Tap the Night Shift button to open a settings page for the new feature: A button for Night Shift is listed and is turned off by default. In the Settings app, scroll down to Display & Brightness, then tap on it.

Now that iOS 9.3 is running, you can set up Night Shift. If iOS 9.3 is available, go ahead and run the update - after ensuring that your device has been backed up. The update is fast and quite stable to see if your device is ready to go, launch the Settings app, then tap General > Software Update. To use Night Shift, you first need to update your iPad or iPhone to iOS 9.3. That simulates what we see near or after sunset, and once again the brain is tricked into thinking that it’s later in the day and sets you up for sleep. Night Shift changes the display of the iPad or iPhone subtly after sunset or during hours that you set, nudging the display into a more warm, orangish tone. The result? We have problems getting to sleep. Since our eyes see that bluish, cool light, they trick the mind into thinking that it’s still early in the day. That’s what we see during the morning and as the day progresses. The screens that we look at have, for the most part, been set up to emphasize light in the bluish part of the spectrum.

This has been traced to a disruption in the daily circadian rhythm, which wakes humans up when it is light out and makes us sleepy when it is getting dark.

Sleep experts have noted for years that people who spend a lot of time either at computer screens or staring at smartphone or tablet displays in evening hours tend to have problems falling asleep. In this quick tip, I’ll show you how to set up Night Shift.įirst, let’s talk about what Night Shift does. No, they weren’t referring to the 1982 comedy with Henry Winkler and Michael Keaton instead, the Apple execs were touting a new feature that can actually help you to fall asleep faster. CC-BY-3.0ĭuring yesterday’s “Let Us Loop You In” Apple event, you may have heard about Night Shift, a new feature in iOS 9.3.

Ios night shift mac