What your resting heart rate says about recovery
Resting heart rate is unglamorous and underrated. Tracked over time, this one morning number quietly tells you when you are recovering well and when you are heading for trouble, often before you feel it.
Why it reflects recovery
Your resting heart rate is set by the balance between the two halves of your nervous system, the one that revs you up and the one that calms you down. When you are rested, the calming side dominates and your rate settles low.
When you are under load, whether from hard training, poor sleep, illness or stress, the revving side stays switched on longer, and your resting rate drifts up. The number itself matters less than its movement away from your own normal.
Reading the trend, not the day
A single morning reading is noisy. Caffeine, a late meal, a bad dream or simply checking it at a different time can shift it. What you want is the baseline over weeks, and how today sits against it.
A few beats above your baseline for one morning is nothing. A steady climb across several days, especially alongside heavy training or short sleep, is a clear sign to back off before it becomes a deeper hole.
Pairing it with HRV
Resting heart rate and heart rate variability tell a similar story from two angles. Rate creeping up and variability dropping together is a strong signal. When they disagree, treat the morning with more caution and less intensity.
Equil tracks both from your watch and turns them into a simple recovery read, then uses it to set how hard today should be, so you train by what your body shows rather than what the calendar planned.
Stop tracking by hand
Equil reads your food, glucose, sleep and training, then adjusts your plan in real time. Not another logger, a coach.
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