Sleep and Circadian Rhythm
114 episodes · Page 2 of 5
#4853: What Happens in the Sleep Netherworld
Why you can feel awake all night while your brain is actually asleep — and why it feels worse than pulling an all-nighter.
#4851: What Half-Life Tells You About Tapering Off Sleep Meds
Why short-half-life drugs are actually harder to quit, and how the bathtub analogy explains it all.
#4808: Why Vacuuming a Basement Is More Relaxing Than Sightseeing
Why physical work can be more regulating than forced leisure for ADHD brains — and how to explain it to family.
#4763: Red Light, Real Science: Sleep Hacks That Actually Work
ADHD circadian disruption, red light products, and smart home integration — a practical deep dive.
#4487: The Real Levers for Better Night Screens
Gamma ramps, backlight control, and DDC/CI — what actually works for circadian-friendly displays.
#4281: Why Déjà Vu Feels Like a Memory Glitch
The strange feeling of reliving a moment isn't a glitch—it's your brain's familiarity alarm going off by mistake.
#4083: Can You Retrain Your Sleep Position?
Why your body rejects back sleeping — and whether you can actually change it.
#4078: Tile Floors, Stone Pillows, and the History of Sleep Surfaces
Are hard sleeping surfaces actually better? We trace 77,000 years of human sleep habits.
#3762: Why Your Screen Won't Go Dark Enough at Night
LEDs can't truly dim low. Here's the physics — and the surprising fix that has nothing to do with blue light.
#3723: 80,000 People in Solitary: What It Does to the Brain
What happens inside a concrete box for 23 hours a day? The science of solitary, from SHU syndrome to post-isolation trauma.
#3700: Splitting Vyvanse for a Smoother Curve
Can you split a Vyvanse dose for better focus? We break down the pharmacokinetics of lisdexamfetamine and water titration.
#3590: Why Bad Sleep Makes Your Body Feel Broken
The surprising physiology behind that clammy, hungover feeling after poor sleep — explained.
#3534: The 90-Minute Blueprint: How Sleep Cycles Actually Work
N1, N2, N3, REM — what actually happens in each stage and how the cycle shifts across the night.
#3523: The Truth About Epilepsy: Seizures, Depression & IQ Myths
Epilepsy isn't binary. One seizure doesn't always mean epilepsy, and the link to depression is stronger than the link to genius.
#3521: SSRIs: How Different Are They Really?
Prozac, Lexapro, and beyond — how similar are SSRIs? A deep dive into selectivity, side effects, and what comes next.
#3509: Why 8 Hours of Sleep Feels Like Zero
Sleep math is lying to you. Here's why interrupted sleep wrecks your brain worse than no sleep.
#3505: How a Care Roster Preserves Your Sanity
A care roster isn't about dividing labor — it's about preserving cognitive bandwidth through fixed anchor points and clean handoffs.
#3272: Can Your Walk Really Identify You?
Gait recognition is leaving the lab. But is your walk actually unique, or just a handful of patterns?
#3230: Why Your RGB Bulb Is Useless for Sleep Lighting
RGB bulbs go dim in red mode. Here's the physics, the fix, and what to actually buy.
#3221: Why Can't Your Partner Reach You? The Family Pager Problem
Smartphones have no reliable urgent notification channel for families. Here's why — and what might fix it.
#3166: The Split in Insomnia Treatment: SOI vs SMI
Sleep-onset and sleep-maintenance insomnia have different biology, different drugs, and different treatments.
#3114: Life Underwater: 90 Days Without Sun
How do submariners survive months underwater without sunlight, fresh air, or contact with home?
#3053: Why Babies Sleep 18 Hours and Adults Need 8
Newborns sleep 16-18 hours for synaptic pruning, REM wiring, and metabolic survival. Here's how sleep architecture changes across life.
#3039: How Airlines Engineer Mass Sleep at 35,000 Feet
Airlines quietly perfected a group sleep induction system. Here's the lighting, meal, and temperature playbook — and how to steal it for home.