Apple's Night Shift tool does NOT help you sleep, says study

Apple's Night Shift cuts short-wavelength light emissions to improve iPhone users' sleep, but experts have found 'no differences in sleep outcomes' attributable to the iOS tool.

Your iPhone's Night Shift won't help you sleep better, study finds - PhoneArena

How to Figure Out How Much Sleep Is Right for You

Turn on or schedule a Focus on iPhone - Apple Support (MY)

Is Night Shift really helping you sleep better? - BYU News

BYU Study Suggests Night Shift Mode Doesn't Help iPhone Users Sleep - MacRumors

New BYU study: Does night mode help you fall asleep at night? - Deseret News

We tried 9 sleep apps so you donnn't (zzz)

10 Effects of Working Night Shifts (and How To Combat Them) - Sling

Apple's New Watch OS Promises Intense Sleep Tracking

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