Apple's Night Shift Mode: How Smartphones Disrupt Sleep

Is your phone's night mode messing with your sleep? Here's how to get around it - CNET

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

How to Use the iPhone Blue Light Filter and Get Better Sleep

How smartphone light affects your brain and body

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

Does using Night Shift mode on your iPhone improve your sleep? Not according to this study

Does iPhone's Night Shift actually work?

How to sleep better (without giving up naps or your phone in bed) - Vox

Apple iOS 9 Night Shift Feature & How It Can Benefit your Eyes