Most people know the uncanny feeling of opening their eyes, checking the clock and realizing they have woken up just minutes ...

If you wake up at the same time every morning without an alarm, psychology says your brain and body are revealing something ...

This article follows the Direct Message methodology, designed to cut through the noise and reveal the deeper truths behind the stories we live. We’ve all been there: the alarm rings, and you fumble ...

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Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. When jolted awake by the blare of an alarm ...

You've probably experienced it – your alarm is set for 6:30am, yet somehow your eyes snap open a few minutes before it goes ...