Category: Biomarkers
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6 HRV rules for smarter training
Learn how to use HRV data to guide your training, improve recovery, and optimise workout timing based on insights from Ultrahuman Ring AIR users.
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5 heart rate variability (HRV) mistakes to avoid
We list common misconceptions about heart rate variability, and how to interpret the numbers
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Skin temperature: What’s normal and how it fluctuates
We explore skin temperature, what’s normal, and how it naturally fluctuates during sleep, the menstrual cycle and with training or illness
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Introducing Nap Detection V2: Find your unique rest signature
Nap detection is crucial for understanding your body’s recovery patterns – whether you’re catching up on sleep debt, recharging after an intense workout, or maintaining energy through strategic rest. Accurately detecting these restorative moments helps move from just data to actionable health insights that are tuned to your physiology in real-time. Our new ML-based algorithm,…