CORTISOL RHYTHM — THE BASICS
Cortisol follows a diurnal pattern: peaks 30–45 minutes after waking (the Cortisol Awakening Response, CAR), then tapers through the day, reaching its lowest point around midnight.
Disruptions to this rhythm (artificial light at night, inconsistent wake times, chronic psychological stress) flatten the curve — producing low morning cortisol and elevated evening cortisol. This is the signature pattern of burnout.
GROUNDING (EARTHING) MECHANICS
Direct skin contact with the earth's surface allows free electron transfer into the body. These electrons act as antioxidants, neutralising reactive oxygen species accumulated during the day.
Practical protocol:
- 20–30 minutes barefoot on grass, soil, or sand
- Morning (within 1 hour of waking) for maximum effect on CAR
- Combine with natural light exposure to synergise circadian signals
Research: Multiple peer-reviewed studies (Chevalier et al., Oschman et al.) demonstrate measurable reductions in cortisol, inflammation markers, and sleep latency following grounding protocols.
7-DAY SLEEP RESET PROTOCOL
Day 1–2: Set fixed wake time. Non-negotiable regardless of sleep time. Get outside within 20 min of waking.
Day 3–4: Eliminate screens 90 minutes before bed. Red-only lighting from sunset.
Day 5–6: Add 10 minutes grounding after dinner. Magnesium glycinate 400mg before bed.
Day 7: Full protocol running. Track HRV on waking. This is your baseline.
SUPPLEMENTS FOR SLEEP
- Magnesium glycinate 400mg (30 min before bed)
- Glycine 3g (supports core body temperature drop)
- L-Theanine 200mg if mind is racing
- Avoid melatonin as a long-term solution — it suppresses endogenous production
COMMON MISTAKES
1. Using melatonin as a sleep aid without fixing light environment first
2. Exercising within 3 hours of bed (elevates core temp and cortisol)
3. Inconsistent wake time destroying the CAR
4. Caffeine after 12pm (half-life of 5–6 hours)