How to Use the iPhone's Night Shift Mode

Use Night Shift on your iPhone, iPad, and iPod touch - Apple Support

How to Enable 'Night Shift' Mode to Prevent Your iPhone from Keeping You Awake at Night « iOS & iPhone :: Gadget Hacks

How to Force Night Shift from Turning On Automatically in iOS 11 [Tutorial]

How-To: Set up and use Night Shift mode on iPhone and iPad [Video] - 9to5Mac

How to use Night Shift in iOS 9.3: sunset/sunrise schedules, colour temperature and low power mode

How to use True Tone and Night Shift on the iPhone and Mac

iOS 9.3's Night Shift, explored: what is it, how to enable and manage it - PhoneArena

Is Night Shift really helping you sleep better? - CNET

Why iOS 9.3 Night Shift mode is not working properly and how to fix it

How to Activate Night Shift from Control Center in iOS 11