Garmin Forerunner 265S Owners Manual - Page 31
Heart Rate Variability Status, START
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3 Press UP or DOWN to view a predicted race time. 4 Press START to view predictions for other distances. NOTE: The predictions may seem inaccurate at first. The watch requires a few runs to learn about your running performance. Heart Rate Variability Status Your watch analyzes your wrist heart rate readings while you are sleeping to determine your heart rate variability (HRV). Training, physical activity, sleep, nutrition, and healthy habits all impact your heart rate variability. HRV values can vary widely based on gender, age, and fitness level. A balanced HRV status may indicate positive signs of health such as good training and recovery balance, greater cardiovascular fitness, and resilience to stress. An unbalanced or poor status may be a sign of fatigue, greater recovery needs, or increased stress. For best results, you should wear the watch while sleeping. The watch requires three weeks of consistent sleep data to display your heart rate variability status. Appearance 23