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.

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

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That Sleep Tracker Could Make Your Insomnia Worse - The New York Times

Want Night Shift For Your Mac or PC? Here's How to Keep the Blue Light Away - Paste Magazine

Turn your Sleep Focus on or off on iPhone - Apple Support