We all know that physical activity is important for our health, physical fitness, and overall wellbeing. But what is the right amount, and how should it be measured? Previous fitness trackers relied on steps to track your motion, but this doesn’t take into account to how your own body is actually responding, and doesn’t work well for activities outside of walking or running. The Caeden Sona uses our advanced heart rate sensor to measure your body’s response to activity throughout the day, no matter what form that activity takes.

Scientific consensus is that the best path to health is a goal of 30 minutes of moderate physical activity per day. Our Active Time system determines what that means for you based on your heart rate readings, and helps encourage you to reach that goal.

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Heart Rate Variability (HRV) is a very complex but extremely useful metric—it requires a measurement over ten times more accurate than standard BPM in order to record the exact variation in timing of each successive heartbeat peak. In general, higher HRV is better, as this means that your systems are more adaptable to changes in your environment. When you are tired, stressed, or overtrained, your body is too busy trying to recover and can’t adapt as gracefully to your environment, resulting in a lower HRV score.

We use instantaneous HRV to measure how your heart is responding during Resonance sessions. We use HRV measured over a day to determine how healthy your overall system is that day, and if you are showing signs of chronic stress. The best ways to increase your HRV measurements are through regular Resonance sessions and Active Time, putting you on a path to improve your overall health for both mind and body.

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