On Sunday at 2 A.M. local time, daylight saving time will begin in most U.S. states, and clocks there will spring forward by an hour. Research shows hospital admissions increase right after this ...

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 ...

Coronary stent thrombosis may be more common in the early morning due to patient circadian rhythms, according to a new study published in the February 2011 issue of JACC: Cardiovascular Interventions.

Say goodbye to groggy mornings.

For anyone managing hypertension or high cholesterol, the early morning hours represent a "critical zone" where biological rhythms and lifestyle habits collide. As you transition from sleep to ...

Adopting this habit could transform your quality of sleep—especially as daylight saving time approaches.

Fat loss rarely depends on a single workout or a magic drink. It begins quietly in the first hour after waking up. The body follows a biological clock, and morning signals can shape how it uses fuel ...