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Stop your gadgets from keeping you awake

If you're having trouble going to sleep at night, it could be because you're staring at your smartphone or tablet screen right before your head hits the pillow. It's well-known that blue light from gadget displays tricks your body into thinking it's daytime.

While health professionals recommend not using gadgets for an hour or two before bedtime, that isn't always practical. Fortunately, there's another way you can use your gadgets without disrupting your sleep cycle.

There are apps that take control of your gadget's screen and tints it red, similar to sunset and indoor lighting. This reduces the blue light so your body doesn't get confused about what time it is.

Twilight is one of those apps, and it gives you plenty of control. At its most basic, it automatically changes the color tint of your screen based on the time of day. The default settings should work fine.

However, you can tweak the settings to set a specific color temperature, color intensity and screen brightness level. It also gives you several filter choices, including matching the sun, always on, keyed to an alarm or custom timing.

You can create profiles to load so you can have multiple types of settings. For example, you might have one for general use that has a low color temperature and another for reading that brings the temperature and brightness up.

While Twilight runs automatically, there are times you might not want it on. You might want better color accuracy while editing photos, for example. You can easily pause it in the app. It also has a widget so you can control it right from your home screen. Learn more about widgets and customizing your Android's home screen.

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