The HPA Axis: When the Alarm Won't Turn Off

The HPA Axis: When the Alarm Won’t Turn OffUnderstanding the body’s slow-burn stress systemIn this episode, we move beyond the fast-acting sympathetic response and into the body’s longer-lasting stress system: the HPA axis. You’ll learn how this hormonal cascade shapes energy, mood, sleep, and recovery—and why chronic stress can linger in the body long after a moment has passed.What you’ll learn in this episode:What the HPA axis is and how it works (hypothalamus → pituitary → adrenal)Why cortisol is not the enemy—and the essential role it plays in daily functionHow the cortisol awakening response and diurnal rhythm support energy and focusWhat happens when stress becomes chronic and the feedback loop breaks downHow long-term stress affects sleep, inflammation, memory, and moodWhy some students feel wired and exhausted at the same timeWhat chronic stress patterns can look like in a yoga classroomHow yoga can support stress regulation over time, without positioning it as a quick fixThis episode is part of a foundational series on nervous system literacy for yoga teachers—bridging science, lived experience, and practical application in the classroom.To receive new essays and audio episodes delivered twice monthly, subscribe on Substack at literacy.rubberbandmethod.com. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit literacy.rubberbandmethod.com