What the Research Says About Hormone Therapy, Exercise, and Your Number: HRT has an inconsistent effect on HRV. Some studies of estrogen therapy show a small rise, others show no...
HRV tells you how much room your nervous system has to move between effort and repair. Read as a trend against your own baseline, it reflects how well you're recovering...
Which Number Tracks Your Recovery? We're going deep into HRV, and solving the confusion of two HRV numbers once and for all. Key Takeaways Your new watch reports two HRV...
By Don Moxley, Co-Founder and Chief Science Officer, Mode + Method Sound is an autonomic input, not just an auditory one. In a 2026 analysis of Apple Hearing Study data,...
By Don Moxley, Co-Founder and Chief Science Officer, Mode + Method Cortisol is not the problem. Cortisol that never gets switched off is. Your stress response was built as a...
By Don Moxley, Head of Science, Mode + Method Under acute, uncontrollable stress the prefrontal cortex (the region behind your forehead that handles focus, judgment and self-control) can start to...
To test HRV with a wearable, wear one device consistently for two weeks to build a personal baseline, then change a single behavior for two more weeks and compare the...
Your HRV score is your device's estimate of how much the time between your heartbeats varied last night, measured against your own recent history. A wide variation usually means your...
The Symptoms Checklist Doesn't Always Tell the Full Story... Six weeks after a concussion clears every symptom checklist, an athlete's heart rate variability often still tells a different story —...
How strength, power, and endurance training connect into one system, why isolating them stalls you, and a sample week you can run. Key Takeaways Three layers, one system: wiring (neuromuscular...
Your nervous system doesn't stay in your body — it walks into the room with you. Here's what HRV reveals about your leadership, why your state is contagious and measurable,...
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