You can also reduce the white point on your iPhone to adjust how intensely colors appear on your screen. Bright colors are especially illuminated at night time, so try this setting to dull them a bit.

On the "When Bedtime Starts" screen, choose your custom Set White Point shortcut. That's it! The white point on your iPhone display will now return to normal when your bedtime ends.

If you've found that your iPhone's display can be a little too bright even at its lowest setting, you wouldn't be alone. Whether you're reading in bed or checking it at the theater before the ...