
A practical, science-backed evening routine and step-by-step playbook for ages 35 to 55 that lowers evening cortisol, optimizes hormones, and improves sleep onset and depth. It blends light and environment shifts, caffeine and nutrition timing, breathwork, micro mobility, heat and hydro tactics, and smart supplementation. It includes a 21-day roadmap, travel and late-night work variants, and a simple measurement framework using wearables and subjective markers.