Brain Health & Bio-Performance Sleep Optimization & Circadian Biology Melatonin: What the Science Actually Shows About Sleep, Timing & Supplementation May 12, 2026June 22, 2026 Brain Health & Bio-Performance, Sleep Optimization & Circadian Biology Skip to article On this page 01Masthead 03Opening 04Mechanism 05Evidence 06Stakes 07Protocol 08Verdict 09Bibliography Reading 42% HPC · Science Deep Dive 2 April 2026 · revised 2026-04-02 Melatonin: What the Science Actually Shows About Sleep, Timing & Supplementation. Melatonin is not a sedative. It is a timing signal, and the gap between how people use…
Brain Health & Bio-Performance Hormonal Optimization Cortisol: The Complete Science of Your Body’s Primary Stress Hormone April 9, 2026July 19, 2026 Brain Health & Bio-Performance, Hormonal Optimization Science Deep Dive HiPerformance Culture · The Stress Signal 01 The Stress Signal 22 min read Stress Physiology Cortisol: What the Science Actually Shows About Stress, Timing & Recovery Cortisol is not a toxin to suppress — it is a timing signal to restore, and the difference between those two framings determines whether your stress…