The episode outlines how cortisol functions in the body, particularly in managing energy distribution and stress response through the HPA axis. It emphasizes the importance of maintaining a healthy daily cortisol rhythm—high in the morning and low at night—for optimal energy, mood, and sleep. Behavioral tools such as morning sunlight exposure, hydration, and timing of caffeine and exercise are discussed as ways to regulate cortisol. Strategies to lower evening cortisol, including dimming light exposure, breathing techniques, and evening nutrition, are also covered. Supplements like ashwagandha, apigenin, and magnesium are reviewed for their cortisol-lowering effects. The episode also identifies two main burnout patterns and offers tailored solutions, while addressing how cortisol rhythms change with age and gender, and how managing them can improve long-term brain and metabolic health.