What Should I Consider When Choosing a Wearable to Help Track HRV? The Truth About Accuracy
Most people looking for a wearable to track Heart Rate Variability (HRV) make the mistake of assuming all devices offering the metric are equally reliable. They focus on features rather than fundamental accuracy. The direct answer is: prioritize devices that measure HRV during sleep, ideally from a finger (like the Oura Ring) or chest (via […]