From science-backed sleep supplements to the surprising links between sleep and gut health, Dr. Jay breaks down what truly matters for restful nights. Learn how gender may impact sleep patterns, how quarantine stress affects rest, and which supplements like magnesium and L-theanine can actually help. Dive into expert advice for deeper, healthier sleep—your brain and body will thank you.
One to two packets on most days, taken earlier rather than later. The longer answer covers who actually runs low, why low sodium can wake you at three in the morning, and the timing split that fixes most complaints: sodium early, magnesium late.
Read MoreSleep hygiene advice has nothing to offer the person whose habits are already fine and whose mind still will not slow down. This is the category built for that problem: what entrainment is, what the research actually supports, and the safety point that usually gets buried.
Read MoreI filed PEMF under expensive placebo for years, then used one consistently and changed my mind about part of it. What pulsed electromagnetic field therapy is, which of the two claims the evidence actually supports, and how to use it without wasting your money.
Read MoreMost of what gets sold as biohacking is expensive, unproven, or both. Here is the ordered version. Three layers, what belongs in each, and why starting at the wrong one is the reason people spend a lot of money and feel no different.
Read MoreHeat raises your core temperature, and sleep needs it to fall. The rebound is the trick, and the window is one and a half to three hours before bed. Get it wrong and the same session wrecks your night.
Read MoreAlmost everyone thinks a drink helps them sleep. Falling asleep, yes. Everything after that, no. What actually happens in the second half of the night, and how to take the sting out of it.
Read MoreMost snoring is harmless noise. Some of it is sleep apnea. A dentist explains how to tell the difference, the red flags that matter, how it gets diagnosed, and what actually works.
Read MorePeople use EMF to mean four different things. A room by room audit of the bedroom: what to measure, what to move for free, when a filter is worth it, and what I deliberately ignore.
Read MoreWaking in the night is normal. Not getting back to sleep is the fixable part. The causes I check first, in order, and exactly what to do at 3 am tonight.
Read MoreFlying west is meant to be the easy direction, so why do so many people fall apart on night three? The light timing, plane strategy, and nap rules I use to land west and actually sleep.
Read MoreMouth taping is everywhere on social media. As a dentist who works in sleep, here is what it actually does, the evidence, who should never try it, what I see in the mouth of a mouth breather, and the safe order to do things in.
Read MoreTemperature is the sleep lever almost everyone has set wrong. The real numbers for the room and the bed, the warm shower paradox, why warm feet help, and the seven step order I would fix things in.
Read MoreFlying east is the hard direction. Here is the strict version of my jet lag protocol: three days of prep, what to do in the air, landing day, low dose melatonin timing, and the nap rule that saves the week.
Read MoreGreenwave filters and dirty electricity meters are two of the most searched things on this site. Here is what dirty electricity is, how to measure it in your bedroom, what the evidence honestly says about sleep, and the two week test I run in my own home.
Read MoreLearn seven practical strategies and two advanced biohacks that can help you sleep deeper, restore balance, and wake up energized. From consistent routines to light and temperature control, to reducing EMF exposure and using red light at night, these evidence-based tips will transform the way you approach rest.
Read MoreSleep is shaped by light, not just supplements. Blue light disrupts while red light boosts melatonin, calms your system and primes your body for recovery, leading to deeper, more restorative rest.
Read MoreSleep myths have shaped the way many of us think about rest. From the idea that everyone needs eight hours to the belief that naps are always harmful, these myths can quietly undermine your health and energy.
Read MoreYour mouth could be sabotaging your rest. Explore the connection between oral health and sleep, from teeth grinding and gum disease to tongue posture and bite alignment. Learn how small changes can dramatically improve your sleep quality.
Read MoreIn this “Ask a Dentist” guide, Dr. Jay Khorsandi answers the most common dental questions, clears up myths, and explains how oral health connects to your heart, brain, and sleep.
Read MoreLearn how light shapes your sleep, mood, and metabolism. Explore the science behind circadian rhythms, the effects of blue light, and proven strategies to align your body clock for optimal health.
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