Fitness trackers and smart watches are widely popular wearable devices that measure several types of health metrics, ...

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

A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

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 ...

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 ...