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

Israeli scientists have developed an innovative method to track the human body’s circadian rhythms, finding in a new peer-reviewed study that female sex hormones have a dramatic effect on the setting ...

The researchers also found that the clock usually peaks in activity during the early night, similar to the mother’s rhythm.

Plan on a glorious extra hour of sleep as most of America “falls back” into standard time. But make sure to get outside for some morning sun, too — it’ll help your body clock reset faster. Daylight ...