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 ...

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 ...

The Apple Watch Ultra 3 is a powerful health and fitness watch; that much was evident from its predecessor, the Apple Watch Ultra 2 (otherwise known as the best Apple Watch, in terms of features and ...

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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Your heart beats ...

A normal heart rate is between 60 to 100 beats per minute (BPM), but it can vary by person. A heart rate slower than 60 BPM can be a sign of anything from a high fitness level to hypothyroidism. A ...

After last year’s revamp, Fitbit has been slowly updating more and more of the mobile app, with Heart Rate stats being the latest redesign. There’s no change to the card in the Today tab, but the page ...