Carley is a writer, editor and social media professional. Before starting at Forbes Health, she wrote for Sleepopolis and interned at PBS and Nickelodeon. She's a certified sleep science coach and ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

I've got a new apple watch, and one annoyance I have vs the previous FitBit is the lack of a heart rate graph for a workout. Are there any recommendations for such an app? Either iOS or Watch (or both ...

Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...

Most professionals regard resting heart rate as a reliable measure of fitness. But when it comes to training, keeping your heart rate in specific “zones” is more important for building stamina and ...