Jessilyn Dunn] wanted to determine the optimal sampling rate for wrist-worn optical heart rate monitors. We’ve shared their earlier paper on analyzing the accuracy of consumer health devices ...

Zone 1 (55-65% of max heart rate): This is the "conversational pace" zone. You work at a light intensity, so you can easily chat without losing your breath. This pace is ideal for burning fat and is ...

The device will purportedly allow users to receive a “deeper, more holistic understanding” of their health using biometric sensors ... by monitoring their heart rate, respiratory rate ...