For years, I was an inveterate early morning exerciser — the kind of person you'd spot trudging into the gym just after the doors were unlocked or running through the neighborhood when the coffee ...

So should I be trying to fix my circadian rhythm—and even if I wanted to, could I? Described as the body’s internal 24-hour biological clock, “it helps regulate many essential functions, including ...

Breakfast has long been called the most important meal of the day. While I believe all meals are important, breakfast plays a unique role because your body is naturally primed to eat and metabolize ...

Within the hypothalamus is the suprachiasmatic nucleus (SCN), a key regulator of the circadian timing system (CTS). Communication between light and the SCN is facilitated by the retinohypothalamic ...

Dietitians recommend a high-protein breakfast and staying hydrated to help boost alertness all day. Early light exposure and ...

Morning and evening workouts offer unique health benefits. Know how exercise timing affects energy, sleep and consistency; ...