HEART RATE VARIABILITY
Explore HRV data across age groups, fitness levels, and lifestyle factors.
HRV Patterns Throughout the Day
How heart rate variability fluctuates over 24 hours
HRV follows a circadian pattern, typically lowest in early morning, rising during the day, and peaking in late evening before bed. This horizon cha...
HRV Response to Exercise Intensity
How different workout intensities affect HRV
Understanding how exercise intensity affects your HRV can help optimize recovery. This visualization shows typical HRV patterns before, during, and...
Optimal HRV by Age
Research-backed HRV ranges across age groups
Heart Rate Variability (HRV) naturally declines with age. This visualization shows optimal HRV ranges for different age groups based on research da...
Resting Heart Rate by Fitness Level
What your RHR reveals about cardiovascular health
Resting heart rate is a key indicator of cardiovascular fitness and overall health. Lower RHR generally indicates better cardiovascular conditionin...
Testosterone Levels by Age (Men)
Normal ranges and age-related decline
Testosterone levels naturally decline with age, typically dropping 1-2% per year after age 30. This chart shows the normal testosterone range for m...