Use Blue light filter at night to help you sleep better. It adjusts your screen color to reduce the amount of blue light, helping your eyes to relax and making it easier for you to fall asleep. You can set a schedule to automatically turn this feature on and off.
- From home, tap Apps > Settings > Display .
- Tap Blue light filter.
- Tap On/Off to enable this feature.
- When enabled, drag the Opacity slider to set the opacity of the filter.
- Set a schedule for when Blue light filter should be enabled. You can choose Turn on now, Sunset to sunrise, or Custom schedule.