Tracking or Trusting? Demystifying HRV and Wearables

Strength Renewed

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Jessica DiBiase

Coach, Kettlebell Trainer for over 15 years, Founder of @kettleguard and Kettlebell World Champion

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Mikki WIlliden PhD
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In this episode, Mikki and Jess dive into the increasingly popular topic of heart rate variability (HRV) and other wearable health metrics like resting heart rate and rate of perceived exertion (RPE). They unpack what HRV actually measures, why it matters, and how it can signal things like illness, overtraining, and alcohol’s effect on sleep. They also reflect on the pros and cons of outsourcing your internal cues to wearable tech—and what truly matters when it comes to tracking your health. Whether you’re a data-driven biohacker or just trying to understand what your watch is telling you, this conversation will help you make sense of it all—without the overwhelm.

Highlights:

• What HRV is and how it reflects your body’s stress response
• The benefits and drawbacks of wearable tracking devices (Oura, Whoop, Apple Watch)
• Top 3 metrics worth tracking for general health and body composition
• Why you shouldn’t outsource everything to data
• Alcohol, stress, and other factors that can impact HRV