Resources

Fasting can build metabolic resilience when aligned with the body’s diurnal cortisol curve. Short, recoverable stress supports energy balance and repair, while chronic elevation undermines it. Because fasting isn’t one-size-fits-all—especially for many women—tracking cortisol levels with Hormometer™ helps reveal when your routine drives adaptation and when it signals overload.

Cortisol connects stress, energy, and metabolism. When balanced, it supports focus and digestion; when elevated, it slows metabolism and redistributes fat. This article breaks down how stress reshapes energy use—and how visualizing cortisol with Hormometer™ can help restore balance.

Discover how cortisol—the body’s key stress hormone—links energy, recovery, and skin health. When balanced, it supports focus and repair; when elevated, it accelerates aging by breaking down collagen. Explore how biohackers use cortisol insights to fine-tune habits like cold exposure, red light, and sleep for healthier skin and sustained vitality.

Wearables show activation; Hormometer™ shows recovery. Adrenaline drives short-term stress, while cortisol reveals how well your body resets. Together, they give a fuller view of balance and resilience.

Dr. Andrew Huberman explains why cortisol is an energy-deploying hormone, not just a stress signal. Learn how daily habits shape your rhythm, and how Hormometer™ helps you track snapshots to visualize patterns in stress, sleep, and focus.

Cortisol plays a central role in training, stress, and recovery. Learn how balanced exercise supports resilience, while overtraining disrupts natural cortisol rhythms and slows progress. 

Eli Health’s Hormometer™ was featured in Fast Company’s Innovation by Design Awards 2025, recognized for making real-time hormone insights accessible to support stress, sleep, and fertility awareness. Anytime, anywhere.

Discover how cortisol rhythms shape stress, sleep, and energy, and why tracking patterns with Hormometer™ provides clearer hormone insights.

Cortisol’s daily rhythm guides sleep, energy, and stress. During perimenopause and menopause, this rhythm often shifts, sometimes running higher at night or flatter across the day. 

This guide walks you through how to confidently use Hormometer™—from understanding cortisol and running your first test to avoiding common mistakes and unlocking powerful insights over time.

Viral “cortisol hacks” reflects a deeper issue: widespread symptoms of cortisol imbalance, and a lack of tools to understand them. While hydration can play a supportive role, the real story is more complex.

Eli Health is building the real-time interface to the human body. Our Series A fundraise helps us run faster, scaling production of the world’s first instant hormone monitoring system: Hormometer™.