Wearable System for Continuous Cardiorespiratory Monitoring Validated
A study presents a low-cost wearable system for continuous cardiorespiratory monitoring, showing technical feasibility in healthy volunteers.
Your wearable reports HRV every morning. Here is what it can — and cannot — tell you about recovery.
Heart-rate variability is the most-marketed recovery metric in consumer tech. The validation studies behind it measure something narrower than the dashboards imply.