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Sleep Biohacker
 

Sleep Health Blog

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.

 
Sleep Divorce: What Separate Bedrooms Fix, and What They Hide
Sleep Divorce: What Separate Bedrooms Fix, and What They Hide

About one in three adults now sleeps apart from a partner. That is fine when it is a preference. When snoring is the reason, it is a symptom you just stopped watching.

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Jay KhorsandiOctober 6, 2026
The Best Sleep Position Is the One That Keeps Your Airway Open
The Best Sleep Position Is the One That Keeps Your Airway Open

Most advice about sleeping position is about your spine. For a lot of people the bigger question is the airway, because snoring and apnea are consistently worse on the back. Which side, how high the pillow, and how to actually stay off your back.

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Jay KhorsandiSeptember 23, 2026
Cold Exposure and Sleep: When It Helps and When It Backfires
Cold Exposure and Sleep: When It Helps and When It Backfires

A plunge does not reliably lower your core temperature, and it floods you with the alertness chemistry you spend all evening trying to avoid. Why cold belongs in the morning, and what the evidence says actually works before bed.

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Jay KhorsandiSeptember 23, 2026
When a Child Snores: What I Look For as a Sleep Dentist
When a Child Snores: What I Look For as a Sleep Dentist

A child who is not sleeping properly is usually not sleepy. They are wired. Why habitual snoring in a child is worth taking seriously, the signs I see in the mouth before anyone asks about sleep, and what to do in order.

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Jay KhorsandiSeptember 23, 2026
What Your Sleep Tracker Can and Cannot Tell You
What Your Sleep Tracker Can and Cannot Tell You

No wearable measures sleep directly, so the stage breakdown is an estimate and the score is a guess. What your ring actually measures, which numbers to trust, and the one thing you must never use it to rule out.

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Jay KhorsandiSeptember 23, 2026
White, Pink, or Brown Noise for Sleep? What the Research Actually Shows
White, Pink, or Brown Noise for Sleep? What the Research Actually Shows

What wakes you is change, not volume. How white, pink and brown noise differ, what the research does and does not support, why the best pink noise study is not what your app plays, and how to use earplugs properly.

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Jay KhorsandiSeptember 18, 2026
Bedroom Air and Sleep: CO2, Humidity, and What a Purifier Cannot Fix
Bedroom Air and Sleep: CO2, Humidity, and What a Purifier Cannot Fix

Two people in a closed bedroom can more than double the carbon dioxide in the room by morning. What that does to your sleep, why humidity matters to your airway, and the one thing an air purifier cannot fix.

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Jay KhorsandiSeptember 18, 2026
Electrolytes and Sleep: How Many Packets a Day, and When to Take Them
Electrolytes and Sleep: How Many Packets a Day, and When to Take Them

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.

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Jay KhorsandiAugust 26, 2026
Brainwave Entrainment and Sleep: For the Mind That Will Not Switch Off
Brainwave Entrainment and Sleep: For the Mind That Will Not Switch Off

Sleep 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.

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Jay KhorsandiAugust 26, 2026
PEMF and Sleep: What It Actually Does, and What I Use
PEMF and Sleep: What It Actually Does, and What I Use

I 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.

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Jay KhorsandiAugust 26, 2026
Sleep Biohacking: Where to Start and What Actually Works
Sleep Biohacking: Where to Start and What Actually Works

Most 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.

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Jay KhorsandiAugust 26, 2026
Infrared Sauna and Sleep: Why Timing Decides Everything
Infrared Sauna and Sleep: Why Timing Decides Everything

Heat 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.

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Jay KhorsandiAugust 24, 2026
What Alcohol Actually Does to Your Sleep
What Alcohol Actually Does to Your Sleep

Almost 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.

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Jay KhorsandiAugust 24, 2026
Snoring: When It Is Harmless and When It Is a Red Flag
Snoring: When It Is Harmless and When It Is a Red Flag

Most 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.

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Jay KhorsandiAugust 20, 2026
The Bedroom EMF Audit: What to Measure, What to Move, What to Ignore
The Bedroom EMF Audit: What to Measure, What to Move, What to Ignore

People 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.

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Jay KhorsandiAugust 20, 2026
Why You Wake Up at 3 AM (and How to Get Back to Sleep)
Why You Wake Up at 3 AM (and How to Get Back to Sleep)

Waking 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.

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Jay KhorsandiAugust 20, 2026
Jet Lag Flying West: Why the Easy Direction Still Gets You
Jet Lag Flying West: Why the Easy Direction Still Gets You

Flying 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.

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Jay KhorsandiAugust 20, 2026
Mouth Taping and Nasal Breathing: A Dentist's Honest Take
Mouth Taping and Nasal Breathing: A Dentist's Honest Take

Mouth 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.

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Jay KhorsandiAugust 18, 2026
The Cold Room Rule: How Bed Temperature Controls Your Deep Sleep
The Cold Room Rule: How Bed Temperature Controls Your Deep Sleep

Temperature 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.

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Jay KhorsandiAugust 18, 2026
How to Beat Jet Lag Flying East: The Protocol I Use
How to Beat Jet Lag Flying East: The Protocol I Use

Flying 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.

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Jay KhorsandiAugust 18, 2026
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