A readiness score is a summary, and every summary throws information away. It is assembled from resting heart rate, HRV, body temperature, sleep and recent activity, weighted against your own recent history — which means a single number can drop for reasons that matter a great deal or not at all, and the score itself will not tell you which.
The posts here take the score apart: what feeds it, why it lags a bad night, why it sometimes reads low when you feel fine, and what to do when your body and your ring disagree. The short version is that the score is a prompt to look closer, not a verdict on the day — and treating it as a verdict is how people end up managing the number instead of their health.
Pedro Thomaz builds Vitra, a desktop app that reads Oura data against your own baseline instead of a population average. He has worn a ring daily for years and reads these same numbers every morning — which is where most of what is written here comes from. Vitra is not a medical device and nothing on this blog is medical advice.
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