Heart rate variability measures the variation in time between successive heartbeats, providing insights into the balance between the sympathetic and parasympathetic nervous systems, which influence ...

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 ...

The fat burning heart rate is the rate at which a person’s heart should beat per minute to achieve maximum fat burning results. Charts and calculations can help work out an individual’s likely fat ...

For adults, a normal resting heart rate is between 60 and 100 beats per minute. To measure your heart rate, place two fingers on your wrist or neck, count the beats for 15 seconds, then multiply by ...