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You wake up at the crack of dawn and power through mornings at work. By the afternoon, though, you’re crashing. Compare that to your work wife, who struggles to keep her eyes open all morning but ...

Lark, owl, or dove? No, this isn’t about favorite animals, but sleep types. While larks are bright and alert in the morning, owls have no trouble turning night into day. Doves fall somewhere between ...

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 ...

Most of us know whether or not we are morning people. Either you can spring out of bed alert and ready to start the day — without an alarm, even — or you curse the alarm and seek out copious amounts ...

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 ...

Abbreviations: AIS, Athens Insomnia Scale; AHI, apnea-hypopnea index; BDI, Beck Depression Inventory; CCQ, Caen Chronotype Questionnaire; DI, Distinctiveness; ESS ...