: This runs in the background while you are inactive. It uses your optical heart rate sensor to monitor HRV and provide a score from 0–100.

Tutorial: Stress Level and HRV Stress Usage and Instructions

Understanding your stress levels can be the key to balancing high-intensity training with essential recovery. Wearable devices like those from Garmin primarily use to estimate how your body is handling daily physical and emotional demands. 1. What is Stress Level vs. HRV Stress?