Night Shift can be manually enabled or scheduled to reduce eye strain by shifting display colors to warmer tones. 1. To turn on manually, open Control Center, press and hold the Brightness slider, then tap the half-moon icon. 2. To schedule automatically, go to Settings > Display & Brightness > Night Shift and choose either Sunset to Sunrise or set a Custom Schedule. 3. Adjust the warmth using the Color Temperature slider in Night Shift settings, with warmer tones reducing more blue light. 4. For best results, combine Night Shift with Dark Mode, enable Location Services for accurate sunset timing, and lower screen brightness at night. Using Night Shift regularly improves nighttime screen comfort and supports better sleep.

Night Shift is a built-in feature on your iPhone that helps reduce eye strain by adjusting the colors of your display to warmer tones during the evening. It’s especially helpful if you use your phone at night, as blue light can interfere with your sleep. Here’s how to use and customize Night Shift on your iPhone.

Turn on Night Shift Manually

You can quickly enable Night Shift whenever you want:

1. Open the Control Center by swiping down from the top-right corner (iPhone with Face ID) or swiping up from the bottom (iPhone with Home button).
2. Press and hold the Brightness slider.
3. Tap the Night Shift button (it looks like a half-moon icon).
4. The display will immediately shift to warmer colors.

Tap the button again to turn it off.

Schedule Night Shift Automatically

To have Night Shift turn on automatically every night:

1. Go to Settings > Display & Brightness > Night Shift.
2. Under Schedule, choose either:
   • Sunset to Sunrise: Uses your location to determine when it gets dark and light.
   • Custom Schedule: Lets you set specific start and end times (e.g., 8:00 PM to 7:00 AM).

Once scheduled, Night Shift will activate automatically each day without any action needed.

Adjust Color Temperature

You can control how warm the screen gets:

1. Go to Settings > Display & Brightness > Night Shift.
2. Use the Color Temperature slider.
   • Warmer: More orange/reddish tone—better for reducing blue light.
   • Cooler: Closer to normal display—less noticeable change.

Many people prefer a warmer setting at night for maximum comfort.

Tips for Best Results

• Combine Night Shift with Dark Mode (Settings > Display & Brightness > Dark) for even less screen brightness and eye strain.
• Make sure your Location Services are enabled under Settings > Privacy > Location Services, since "Sunset to Sunrise" relies on your location.
• Night Shift doesn’t change brightness—consider lowering the screen brightness at night for added comfort.

Basically, Night Shift is easy to use and can make nighttime screen time more comfortable. Turn it on manually when needed, or set it to run automatically—your eyes might thank you.

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