Are you an early bird, a night owl, or something in between? Your sleep chronotype is your body’s natural pattern of sleeping and waking. Knowing your sleep chronotype is key to figuring out when ...

A research team at Charité – Universitätsmedizin Berlin has developed a test that can determine a person’s chronotype based ...

Add Yahoo as a preferred source to see more of our stories on Google. Why do some people wake up right as the sun rises while others have to hit snooze three times before they finally get up? And how ...

A research team at Charité–Universitätsmedizin Berlin has developed a test that can determine a person's chronotype based on ...

Add Yahoo as a preferred source to see more of our stories on Google. Being forced to go to sleep and wake up earlier than your chronotype has consequences. (Getty Images) Are you a night owl who ...

If you feel more sluggish during certain times of the day, it could be due to your sleep chronotype. The chronotype affects the body’s natural tendency to be asleep or awake, according to the Sleep ...

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 ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

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Are you a night owl who cringes—maybe even yawns—at phrases like “the early bird catches the worm”? If so, Matt Walker gets you. “We lambast evening types as being slothful or lazy, but it’s not their ...