That is your 3 pillars sleep cycles, If one hand is off, the whole clock is out of sync and sleep apnea occur. Imagine those 3 pillars as a clock ⏰: 1️⃣ ☀️ Sunlight = the hour hand 2️⃣ 🌑 Darkness = the minute hand 3️⃣ ❄️ Temperature = the second hand 🤔 How this works? 1️⃣☀️LIGHT Morning Sun Programs Our Brainstem. Sunrise light hits our retina and tells the SCN (suprachiasmatic nucleus, the master clock in our brain) to start the 24-hour program… That program sets: ➡️ when cortisol should peak ➡️ when melatonin is built ➡️ when body temperature should rise or fall ➡️ when breathing rhythm should stabilize ➡️ how our autonomic nervous system fires,… If we miss sunrise: ⚠️ Our internal 24-hour clock becomes corrupted. This is a circadian software glitch. A glitch in this program = apnea later at night. And it’s not only about seeing the sunrise once. Living in sunlight during the day is the number one upgrade for almost everything, not just sleep apnea or “vitamin D” 2️⃣🌑DARKNESS Melatonin is the Breath-Stabilizing Molecule… Darkness is not “the absence of light.” Darkness is a signal When the retina senses real darkness, the brain says: “Release the melatonin we built all day long.” Melatonin is the molecule of repair: 👍🏻lowers inflammation 👍🏻increases mitochondrial efficiency 👍🏻stabilizes CO₂ sensing in the brainstem 👍🏻keeps airway muscles open 👍🏻synchronizes the breathing rhythm Without true darkness: ➡️ melatonin stays trapped = not released ➡️ the brainstem cannot hold a stable breathing pattern ➡️ apnea starts Blue light at night destroys CO₂ sensing; the primary signal our brainstem uses to trigger breathing and: ⚠️ circadian mismatch ⚠️ melatonin drops ⚠️ brainstem mitochondria lose energy ⚠️ they stop sensing CO₂ correctly When CO2, sensing fails, we stop breathing and wake up over and over without knowing Fix it: 🕯️candles at night 🧥Cover your skin from artificial light heat to toes 😎Wear blue-blocking glasses 😴 Be asleep before 10pm Dr Jack says this often: “Melatonin is the CEO of nighttime repair” No CEO = chaos 3️⃣❄️TEMPERATURE The Final Switch That Lets Melatonin Work This is the part we heard on the podcast and very few people really understand. 👀Even if: we get sunrise we have perfect darkness …melatonin still won’t release unless our core temperature drops at night. Why? Because we evolved with hot days and cool nights. Temperature is the ⏰ seconds hand. If we can’t cool down, melatonin won’t rise = sleep breaks and apnea shows up. ❄️ How to drop temperature at night? ✅ after sunset 🕯️ ✅ Open windows and let fresh air in ✅ AC? Ok, just keep it in another room. The bedroom should stay cool (16–19°C / 60–67°F) and free of electronics ✅ Use cotton, linen, or bamboo bedsheets = breathe and don’t trap heat. ✅ Grounding reduces inflammation, makes it easier for the body to cool ✅ Cold face dunk: Fill a bowl with cold tap water (or a few ice cubes) Hold your breath, put the face in for 5–10 seconds. Repeat 2–3 times. This activates the mammalian diving reflex and lowers: heart rate body temperature stress hormones and prepares us for deep parasympathetic sleep. ✅ Shower at night? Only if keep the cool water on arms, legs, and face, NOT the chest. Cooling the chest at night = spike cortisol. Cortisol = “rise and shine” We need melatonin to sleep, not cortisol. ❌ No workouts after 5pm. It heats us deeply = delay nighttime cooling. ❌ No electronics in the bedroom ❌ No memory foam mattresses = trap heat and EMF ❌ No synthetic bedsheets = trap heat and create static ❌ Don’t cover feet or head. Warm extremities = warm core ❌ No alcohol / food after dark. Digestion = heat. ❌ No hot or cold bath right before bed. This one is a paradox and deserves its own post (the timing and environment after the bath decide whether we cool or overheat) ✅ REDOX is The Foundation