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How to prevent your smartphone from keeping you up at night

How to prevent your smartphone from keeping you up at night
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You've been hearing a lot about night lights lately. These aren't the small, dim lights you'd keep on in your kids' rooms when they were young.

These are night lights for your digital screens that will help you fall asleep. That's the idea behind new light features for anyone who looks at their smartphone before they go to bed or in the middle of the night. And who doesn't? These night modes make it easier to fall asleep by toning down the super-bright screens that can shock us back to being wide awake.

Harvard Medical School a few years ago said those bright blue lights can adversely affect your circadian rhythm. That's your internal biological clock. The blue light can cause sleeping problems and much worse, including cancer, diabetes and heart disease.

You've probably heard about Apple's Night Shift and we recently told you about a night mode in Microsoft's upcoming Windows 10 Creators Update. The idea is the same. The bright blue lights on your smartphone, tablet or laptop can be dimmed, so your screen has a more soothing reddish tone.

This softer light is less shocking to your body. Your screen mimics the dark nights that our ancestors were accustomed to.

The good news is that you can get this blue-light feature on some Android phones. Note: Unlike iPhones that are all developed by Apple, and have the same features, Android devices are manufactured by many companies. So the steps below to turn on night mode may be slightly different on your phone.

Depending on which phone you use and which version of Android you have, it may be called Night Light, Night Mode, Reading Mode or something similar. Try to find this feature under Settings >> Display. Turn it on and set it up to automatically turn on at night, and turn off in the morning.

Note: If your Android phone does not have this feature, keep reading for a solution.

Next page: Setting up night mode
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