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It used to be that when it came to our sleep patterns, people either identified as Early Birds or Night Owls. Predictably, Early Birds are up with the sun, are super-productive, and go to bed ...

There are two types of people: those who spring out of bed in the morning and those who repeatedly reach for the snooze button. However, there is a scientific reason for why some are morning people ...

Most people acknowledge that there are two types of sleepers in the world—early birds and night owls—but research has shown that there are actually four or more sleep-wake cycles. The time you ...