An curved arrow pointing right. The blue glow of an iPhone's screen isn't good for our bodies at night – it suppresses the brain's release of melatonin, which throws off your body's sleep.

Your iPhone calls this Night Shift. How to turn on Night Shift: Open the Settings app. Select Display & Brightness. Scroll down and select on Night Shift. From here, you can schedule a specific ...

An curved arrow pointing right. The blue glow of an iPhone's screen isn't good for our bodies at night – it suppresses the brain's release of melatonin, which throws off your body's sleep.

This means your iPhone's brightness automatically becomes brighter in brighter environments, and dimmer in darker ones. It also helps conserve battery life. Night Shift, another feature that comes ...

Enabling Night Shift from this menu will also aid in extending battery life. This feature works similarly to auto-brightness by using the time and geolocation of an iPhone to determine when it's ...