Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Real-time and early detection of minute changes in the functioning of the cardiovascular system is crucial for managing ...

What is heart rate variability? Doctors explain what you need to know about the health metric, and why keeping track of it is important for your health. As the wearables market has exploded (we ...

This article was originally featured on The Conversation. Your heart beats around 100,000 times every day. Heart rate is a key marker of cardiovascular activity and an important vital sign. But your ...

There is variability in when and how cells divide during the development of embryos. While researchers traditionally believed this variability was an obstacle that needed to be regulated, a group now ...

How long did it take you to get to work today? Me? A 12 mile trip took about 45 minutes. My daughter’s bus was running a little late. My son forgot to pack his backpack last night - what a surprise.

Heart rate variability offers a closer look at how your heart behaves from one beat to the next. While heart rate measures the average number of beats per minute, heart rate variability bases a ...