Sleep and Circadian Rhythm
114 episodes · Page 4 of 5
#2427: The Art of the Non-Productive Day: A Sloth's Guide
A deliberate, hour-by-hour template for guilt-free laziness, backed by neuroscience and sloth wisdom.
#2294: The Side Sleeper’s Edge: Why Most of Us Sleep Curled Up
Why do 74% of people sleep on their side? Explore the science behind sleep positions and their impact on health and comfort.
#2258: How Maya, Inuit, and Hadza Parents Sleep at Night
How do Maya, Inuit, and Hadza cultures handle infant night wakings? The answer isn't a single trick, but a complete "sleep ecology" that redefines ...
#2234: Memory Isn't One Thing: What Science Actually Knows
Why your memory feels worse than it is, what genes actually control, and whether photographic memory is real—or just a persistent myth.
#2127: When the Siren Stops, the Brain Keeps Screaming
Six weeks of sirens rewires the brain for permanent alarm, turning a fleeting lull into a new kind of terror.
#2123: Human Reaction Time vs. AI Latency
We obsess over shaving milliseconds off AI response times, but human biology has a hard limit. Here’s why your brain can’t keep up.
#1800: Hacking the Brain's Alarm System
Why some sounds make your skin crawl: the science of emergency alerts.
#1783: Why Sleep Deprivation Makes You a Monster
Sleep loss doesn't just make you tired—it physically cuts the brake line between your logical and emotional brain.
#1591: The Brain’s Nightly Power Wash: Cleaning Away Dementia
Discover how your brain "power-washes" itself during deep sleep and why a clogged system could be the hidden driver behind dementia.
#1588: The Architecture of Sleep: Rebuilding Restorative Rest
Is sedation the same as sleep? Explore the biological map of rest and learn how to renovate your brain’s nightly cycles for true recovery.
#1514: The Midnight Watch: Is Our 8-Hour Sleep Block a Lie?
Before the industrial age, humans didn't sleep in one block. Discover why "first and second sleep" might be better for your brain.
#1405: Fighting the Fade: Human Vigilance in Modern Warfare
Modern defense relies on tired humans. Discover how militaries use circadian science and biometric data to fight the "vigilance decrement."
#1376: The Black Box of Consciousness
We use it every day, but we still don't know how it works. Explore the "two-degree tightrope" and the profound mystery of anesthesia.
#1375: Metabolic Bankruptcy: Why the Brain Fails Under Fire
Why does the brain fail under constant threat? Discover the science of metabolic bankruptcy and the high cost of perpetual vigilance.
#1273: Lighting the Dark: The Science of Seasonal Depression
Discover why your brain stalls in the dark and how "personal satellites" of light can reset your internal clock to beat the winter blues.
#1268: The Paradoxical Nap: Why ADHD Meds Can Cause Fatigue
Why do stimulants make some ADHD brains want to nap? Explore the science behind the "paradoxical effect" and the search for neurological quiet.
#1265: The Biology of Light: Designing for Your Internal Clock
Discover why natural light is a biological nutrient and how interior design can fix your productivity, mood, and sleep.
#1255: The Science of Sleep: Cracking the Infant Sleep Code
Is sleep training a biological necessity or an engineering challenge? Discover the neurobiology behind why babies fight the sandman.
#1248: The Statesman’s Brain: The Biological Cost of Power
Explore the neurobiology of power, from the rare "short sleep" gene to the psychological endurance required to manage the weight of the world.
#1192: Why You’re Taking 100x More Melatonin Than You Need
From gas station gummies to prescription drugs, we dive into the "melatonin paradox" and why your 10mg dose might be a "flamethrower."
#1174: Side-Sleeper Science: The Engineering of Sleep Earbuds
Stop waking up with ear pain. Discover the engineering behind sleep-specific earbuds and why your AirPods might be sabotaging your rest.
#1160: Reclaiming the Nap: Biology, Productivity, and Power Pods
Is the afternoon slump a sign of laziness or hardwired biology? Discover why a 26-minute nap might be the ultimate productivity hack.
#1118: Sustaining Readiness When the Sirens Never Stop
When the siren wails at 3 AM, you have 90 seconds to reach safety. Learn to bridge the gap between civilian chaos and professional readiness.
#1051: The Pharmacological Soldier: Engineering the Battlefield
Explore how modern militaries use pharmacology to bypass human biology and redefine the limits of endurance on the battlefield.