What is Night mode and how do I turn it on?

Enabling Night mode in the evening shifts the display colors from blue to warmer colors, helping to reduce eyestrain.

1. From the Home screen, tap > Settings > Display & gestures or Display, gestures & buttons.
2. Tap Night mode, and then tap the On/Off switch to turn it on.
3. Drag the slider to adjust the color temperature. Dragging the slider to Warmer filters out more blue light.
4. Tap Enable Night mode automatically to set a schedule when Night mode will be turned on.