The Night Shift feature on the iPhone 7 is a useful tool that changes the color temperature of your screen to reduce exposure to blue light at night, thereby promoting better sleep. The Night Shift icon serves as a reminder that it’s time to switch to warmer tones, allowing you to continue using your phone without disrupting your circadian rhythm. By activating this feature, the screen emits less blue light which can be harsh on your eyes and interfere with your sleep cycle. With the Night Shift icon on the iPhone 7, users can easily toggle this setting on and off, ensuring a more comfortable viewing experience during