Key Insights on Sleep

120 Hz flicker from standard lighting forces constant pupil adjustments, exhausting the HPA axis and raising cortisol while lowering melatonin production

• Future health tech will write to biology: cooling core body temperature through palms/feet, eye masks for sleep induction
• Tech CEOs are not saviors but capitalists who 'would sleep with their cousin for a nickel' to increase earnings per share
• Mouth taping during sleep provides significantly better rest - 'if I have five hours sleep with hostage tape, I feel better than eight hours without it'
• Sleep regularity was a stronger predictor of cardiovascular events and mortality than sleep duration alone in 72,000 UK adults
• Weekend catch-up sleep doesn't work - cognitive deficits persist even with full weekend recovery after weeknight restriction
• RF EMF exposure from phones and Wi-Fi routers during sleep measurably altered EEG architecture in controlled trials
• Your body runs on circadian rhythm where every major organ system operates on a 24-hour internal clock

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