It's not a watch, it's a Whoop; the fourth iteration of a device that is worn simply to serve one primary purpose: Monitor your metrics. And it does ... (a measure of motion, HRV and heart rate).

Strain is a buzzword in the Whoop community. The band measures it by analysing your heart rate ... do you get? Are you ...

Tracking your menstrual cycle is a great way to keep on top of your symptoms and your health. Whether you take note of physical sensations, like bloating and energy levels or use a wearable to ...