The Oura app (v. 2.0 and later) shows your lowest resting heart rate and average heart rate variability (HRV) readings every day. You can also see both measures in detailed graphs which illustrate how your night-time resting heart rate and heart rate variability vary throughout the night. The graphs are based on 5-minute averages. You’ll find the graphs in the Oura app’s Sleep and Readiness sections.

What can I learn from the graphs?

Tracking how your resting heart rate changes throughout the night helps you understand how your body and mind recover from daily strain. You can learn more about tracking your resting heart rate curves in the Heart rate while sleeping article.

Heart rate variability is a good indicator of especially cardiovascular, but also overall health and general fitness. Your HRV can react to changes in your body even earlier than resting heart rate, so keeping an eye on your own HRV baseline and trends can provide useful insights into your recovery and wellbeing.  

To learn more about heart rate, check out the What is heart rate variability and what you can learn from it and How to measure heart rate variability articles.

There are gaps in my graphs, why?

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