How to turn off blue light on your iPhone with Night Shift, and make it easier to fall asleep at night

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You can turn off blue light on your iPhone by activating "Night Shift," which changes the color of your iPhone's display. Here's how to find it.
caption You should turn off the blue light on your iPhone before you go to sleep. source iStock

You can turn off blue light on your iPhone by activating "Night Shift," which changes the color of your iPhone's display.

Night Shift is designed to limit the amount of blue light your iPhone gives off, which can be helpful when you're trying to fall asleep.

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We all know that our iPhones can keep us awake at night – that "one last YouTube video" can turn into an hour-long marathon that gets us into bed way too late. But that's not all that's keeping us up.

Research has shown that blue light, which your iPhone's screen gives off nearly constantly, can have adverse effects on our bodies. Blue light disrupts your body's melatonin production, which is the chemical in your brain that helps you feel…
Melanie Weir, Business Insider US
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