Cortisol — The Stress Hormone Your Wearable Can Detect
Chronic elevation costs you testosterone, sleep, and metabolic health simultaneously.
Track This Biomarker Free → ← All BiomarkersWhat Is Cortisol — The Stress Hormone Your Wearable Can Detect?
Cortisol is your primary stress hormone, peaking at 10–20 mcg/dL between 6–8AM (the Cortisol Awakening Response), then declining to 3–10 mcg/dL by late afternoon. Chronic elevation disrupts sleep architecture, suppresses testosterone production, increases visceral fat accumulation, and creates systemic inflammation.
What Causes Cortisol to Change
The most common drivers behind a change in Cortisol are:
- Chronic psychological stress — work, relationships, financial pressure
- Sleep deprivation — cortisol rises with each hour of lost sleep
- Blood sugar dysregulation — glucose crashes trigger cortisol release
- Overtraining without adequate recovery
- High caffeine intake, especially after noon
- Poor gut microbiome health — the gut-HPA axis connection
How Hunuu Tracks Cortisol
Hunuu's Epicore Biosystems nanosensor patch integration measures real-time sweat cortisol continuously. Combined with HRV patterns and sleep architecture, Hunuu can detect adrenal fatigue patterns 4–6 weeks before burnout symptoms appear.
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