M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while ...

Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, including step count, calories burned, sleep quality, Vo2 max and heart rate.

Heart rate variability during sleep can predict stroke, depression or cognitive dysfunction years in advance, according to new research presented at the European Academy of Neurology Congress. The ...

The Polar Loop launched in early September 2025 as a subscription-free alternative to the Whoop band. This is a little over a ...

Overview: Top-rated sleep-tracking apps help monitor sleep patterns, optimize rest, and boost daily energy levels for ...

It’s been known for decades that heart rate variability (HRV) during labor signals how a fetus is responding to stress. Lower HRV—a lower variation in heartbeats—is even a risk factor for sudden ...

Even mild dehydration can negatively affect your brain functioning and attention span, so it could be holding you back at work and getting in the way of your goals. Drinking a glass of water could ...

Heart rate variability measurements can tell us a lot about our state of readiness to train and are central to optimising ...

Menopause causes a drop in estrogen, which can lead to changes in heart rate, such as palpitations or fluctuations in heart rhythm. Menopause marks a significant transition in a person’s life, ...