Night Shift in iOS 9.3: Explained!Here's why Apple hopes Night Shift in iOS 9.3 will help us sleep better! With iOS 9.3 Apple is introducing a new feature called Night Shift. As the name implies, it shifts the color spectrum of your iPhone or iPad display at night. So, why is that important? Light and the brain During the day we soak in light from the sun. Unlike Superman or Supergirl, to whom it grants unbelievable power, in us the light builds up melatonin. As it gets darker we produce more melatonin. It usually starts a few hours before bedtime and increases greatly towards the middle of the night. That helps keep us asleep and ensure we get a good night's rest. Shorter wavelength blue light, by contrast, does the opposite: It suppresses melatonin and builds up histamine that helps wake us up. Unfortunately, electronic displays like those on phones and tablets have a higher concentration of blue light than the sun. So, when you're lying in bed at night playing Candy Crush, watching YouTube, or reading iMore, y...<br clear='all'/>
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Night Shift in iOS 9.3: Explained!
