Cortisol
The primary stress hormone released by your adrenal glands—essential for survival but damaging when chronically elevated.
What It Means
Cortisol is your body's primary stress hormone, produced by the adrenal glands. In acute situations, it's essential—it raises blood sugar, suppresses immune function, and mobilizes energy so you can respond to threats. The problem is when it stays elevated.
Chronic stress keeps cortisol perpetually high. This leads to a cascade of problems: disrupted sleep (cortisol suppresses melatonin), weight gain (cortisol promotes fat storage), weakened immunity, impaired memory, and increased anxiety. Your body is running emergency protocols 24/7.
The cortisol awakening response (CAR) is why many people feel most anxious in the morning—cortisol naturally spikes 50-75% in the first 30-45 minutes after waking. For anxiety-prone individuals, this normal spike can trigger a full anxiety response.
How This Relates to ILTY
Understanding cortisol helps explain why anxiety has physical symptoms and time-based patterns. ILTY helps you work with your biology—recognizing that morning anxiety isn't weakness, it's cortisol, and guiding you through evidence-based techniques to regulate it.
Example
You wake up at 6am already anxious before you even remember what day it is. That's the cortisol awakening response—your body flooding with stress hormone as part of the normal wake-up process. It doesn't mean something is wrong; it means your biology is doing what biology does.
Related Terms
Your body's automatic stress response that prepares you to face danger or escape it—often misfiring in modern life.
Your autonomic nervous system regulates your stress response. Dysregulation means your body stays in fight-or-flight even when there's no danger.
Repetitively going over the same thoughts, usually negative, without reaching a resolution or new insight.
Paying attention to the present moment, on purpose, without judgment—a practice that reduces anxiety and improves emotional regulation.
Related Resources
Put Knowledge Into Practice
Understanding concepts is valuable. Applying them to your own life is where the change happens. ILTY helps you do both.