Hormone Lab

Your diurnal curve is your complete daily cortisol rhythm—a powerful pattern that governs your energy, sleep, and stress response.

The right timing unlocks insight, as testing strategically is essential to understanding what shapes your personal cortisol pattern.

Most test issues are simple fixes—follow the ritual, saturate fully, pull until the blue dot shows, and your tests will work consistently.

Health tags transform raw biological data into meaningful, actionable personal insights by capturing the context and lifestyle factors surrounding each measurement.

Your evening cortisol is an extremely strong signal of sleep quality. Under 1 ng/mL = biochemically ready for sleep. Above 2 ng/mL = fighting your biology. Fix your evening cortisol, fix your sleep.

Your morning cortisol reveals your starting point for the day. Your natural peak can occur anytime in the first hour after waking—so consistency in testing time matters more than the exact timepoint.

Your CAR is your body's daily stress test. These three measurements reveal whether your stress response system is healthy, exhausted, or overactive—giving you an early warning of burnout. Your natural peak timing may vary, but the magnitude of the increase matters most.

Persistently high cortisol throughout the day isn't just stress—it's a medical red flag. If lifestyle changes don't bring levels down, consult a doctor.

An inverted curve isn't just "bad sleep"—it's a complete reversal of your body's master clock. This requires targeted intervention, not just better habits.

A flat curve is your body's way of saying: "I've been running on empty for too long." The good news? With consistent effort, most flat curves can be restored.

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

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.