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Heart Rate Variability
The variation between your heartbeats, and what the research says it reveals about recovery.
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Heart HealthResting heart rate for women: how it changes by life stage
Your cycle, pregnancy, the postpartum period and menopause each leave a measurable mark on your baseline.
Sleep & RestResting heart rate during sleep: what your nights reveal
A night that runs 8 to 10 bpm above your own average is worth noticing, even when the raw number looks unremarkable.
TrainingHow fitness changes your resting heart rate
Weeks one to four usually show nothing. That is where most people give up, and it is the part worth knowing in advance.
Heart HealthLow resting heart rate: when it is healthy, when it is not
Below 60 has a clinical name and is usually harmless. What decides it is not the number, it is how you feel alongside it.
Heart HealthHigh resting heart rate: causes and when to worry
Stress, a bad night, a coffee or a cold will all do it. A few other things are worth a conversation with your doctor.
The ScienceContinuous heart rate monitoring vs spot checks
Your heart rate at 9am on a Tuesday is not your resting heart rate. It is your heart rate at 9am on a Tuesday.
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