Episode

Episode Brief·YouTube

How to Fall Back Asleep FAST (Even at 2AM)

Eric Berg

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TL;DR

The four things you'd lose by not watching

4 items

TL;DR

The four things you'd lose by not watching

4 items

Keep feet warm but room cool — cold feet confuse the hypothalamic thermostat, blocking the 1°F core temperature drop needed for melatonin release.

A pinch of sea salt before bed can prevent a 2–3 AM adrenaline surge triggered by hidden aldosterone activity when sodium is low.

Nose breathing with a 4-second inhale and 5-second exhale consciously engages the bore effect, balancing CO₂ and oxygen to calm the autonomic nervous system.

Magnesium glycinate powder provides both magnesium and glycine, which lowers core temperature, boosts GABA, and protects against the early-morning magnesium dip linked to heart events and stiffness.

Protocols

Concrete recipes — what, when, how much, and why

12 items

Warm Feet at Bedtime

WhatKeep feet warm with socks or an extra blanket while keeping the overall room and body cooler.

WhenWhen going to bed, especially if your feet are cold.

For whomAnyone, particularly those with cold feet or difficulty falling asleep.

WhyPrevents mixed temperature signals to the hypothalamus that inhibit the 1°F core temperature drop required for melatonin release.

Berg emphasizes that the hypothalamus needs a clear signal of slight cooling to trigger sleep. The common advice to keep the room cool is correct, but the feet must stay warm to stop the brain from sensing cold stress. Using a light sheet on the body and a blanket only over the feet is his practical strategy.

Mechanism

During sleep onset, core body temperature must drop from ~98.6°F to ~98.5°F; this drop signals melatonin release. Cold feet create vasoconstriction and false feedback, preventing the necessary central cooling.

Personal experience

He uses a blanket on his feet while the rest of his body stays under a sheet.

If your feet are cold when you are going to bed, you are going to interfere with the thermostat in your hypothalamus.

Also said

“Normally when you go to sleep the core temperature in your body which should be 98.6 goes down to 98.5. 1 degree lower and that signals a hormone called melatonin that says okay time to go to sleep right now.”— Explains the exact temperature change and melatonin link.

“You want to keep the room cooler. You want to have less blankets on your whole body, but you want to keep your feet warm at all times when you go to sleep.”— Clarifies the practical balance between cool body and warm extremities.

Sea Salt Before Bed

WhatConsume plain sea salt in the evening (on food or as a small pinch) to prevent nocturnal adrenaline surges.

WhenIn the evening or with the last meal.

DoseNo specific dose; simply increase sodium intake from sea salt.

For whomPeople who wake between 2–3 AM, especially those on low-salt diets.

WhyLow sodium elevates aldosterone, which triggers fight-or-flight stress hormones (adrenaline, cortisol) and wakes you between 2–3 AM.

Berg pushes back on the demonization of salt. He notes that many people instinctively eat salty snacks like chips before bed and sleep better—not because of the carbs, but because of the salt. The key is to get the sodium without the accompanying carbohydrates. A simple increase in sea salt intake may keep aldosterone low and prevent the 2 AM stress response.

Mechanism

Aldosterone regulates sodium and water balance. When sodium is low, aldosterone rises. Elevated aldosterone can activate the sympathetic nervous system, causing an adrenaline and cortisol spike that disrupts sleep.

A lot of people going in the sleep if they're low in sodium will start having an elevated amount of eldoststerone. That's going to trigger the fight or flight mechanism. Sometimes between 2 and 3 in the morning just because you didn't have enough sea salt.

Also said

“If we don't have enough salt, specifically sodium, what's going to happen is your adrenaline hormone and cortisol is going to go up.”— Links sodium deficiency directly to stress hormone elevation.

“I know a lot of people in the evening, they snack on chips… they do sleep better because of the salt. What you need is the salt, but not the carbohydrate connected to the salt.”— Shows the real-world pattern and the carb-free solution.

4-Second Inhale, 5-Second Exhale Nose Breathing

WhatLie in bed, close mouth, inhale through the nose for 4 seconds, exhale for 5 seconds, repeating several times.

WhenIn bed when trying to fall asleep or fall back asleep.

DoseRepeat the cycle several times until drifting off.

For whomAnyone, especially those with a racing mind or anxiety.

WhyNose breathing balances CO₂ and oxygen via the Bohr effect, engages parasympathetic control, and distracts the mind from problem-solving.

Berg explains that hyperventilation—common in anxiety—actually results in ‘too much oxygen’ at the expense of CO₂. By nasal breathing with a longer exhale, you correct the gas balance. He also finds that focusing on the breath pattern occupies the mind, preventing sleep-preventing rumination.

Mechanism

The Bohr effect: adequate CO₂ is necessary for hemoglobin to release oxygen to tissues. Mouth breathing and hyperventilation wash out CO₂, impairing oxygen delivery. Nasal breathing restricts airflow, preserves CO₂, and maximizes cellular oxygenation. Additionally, consciously pacing the breath shifts autonomic nervous system activity toward parasympathetic (rest-and-digest) dominance.

Personal experience

He performs this consciously several times before sleep and often wakes up in the morning without realizing when he fell asleep.

When you breathe through your nose, you actually get the right balance of CO2 with oxygen to get the maximum oxygen in your cells versus breathing through your mouth.

Also said

“When you consciously breathe in a certain way, you're putting control also over your autonomic nervous system.”— Explains the nervous system benefit beyond gas exchange.

“It's also a great way to get your mind off thinking and, you know, thinking about problems, which you don't want to do before you go to bed.”— Highlights the cognitive distraction role.

Low-Carb Adaptation to Stabilize Nighttime Blood Sugar

WhatAdopt a low-carbohydrate diet and become fat-adapted to prevent blood sugar dips that trigger adrenaline and cortisol around 2 AM.

WhenOngoing dietary change; the effect builds as metabolic flexibility improves.

For whomIndividuals who wake in the middle of the night, especially around 2–3 AM, and eat a standard high-carb diet.

WhyHigh-carb diets cause insulin resistance and nocturnal hypoglycemia, prompting a stress-hormone release that wakes you up.

CaveatsRequires dietary commitment; may involve an adaptation period.

Berg describes the phenomenon as a hidden cause of sleep maintenance insomnia. He emphasizes that many people are unaware their 2 AM wake-ups are blood-sugar driven. Transitioning to a low-carb, ketogenic approach, combined with intermittent fasting, removes the insulin resistance that drives the cycle and keeps stress hormones low all night.

Mechanism

On a high-carb diet, insulin spikes and then overshoots, leading to low blood glucose at night. The body counteracts with adrenaline and cortisol (counterregulatory hormones) to release stored liver glycogen, raising blood sugar but also causing arousal. Once fat-adapted, the body can run on stable ketones, avoiding the glucose rollercoaster.

Personal experience

He suffered from this problem for years without knowing the cause; correcting it resolved his nighttime awakenings.

A lot of people who have not adapted to ketones because they're eating too many carbs have this problem sleeping at night because the blood sugar is so low. You have these other hormones kicking in there… it's going to wake you up.

Also said

“Now, your body can't have that, okay? It doesn't like high blood sugar. It doesn't like low blood sugar. So, it's going to release a hormone to mobilize more glucose and sugar. What hormone is that? Adrenaline actually and cortisol.”— Explicitly names the stress hormones involved.

“You want to go low carb and get adapted to low carb to be able to have the stability through the whole night sleeping and keep the adrenaline low.”— Succinctly states the solution.

Progressive Body Scan Relaxation

WhatLying in bed, mentally scan from head to toes, consciously releasing tension from each area.

WhenWhen trying to fall asleep or back to sleep.

DoseOne full scan, taking several minutes.

For whomAnyone holding physical tension, especially in back, chest, or abdomen.

WhyIdentifies and releases unconscious muscle tension that impedes relaxation and sleep.

Berg notes that many people hold tension in predictable spots—their upper back, lower back, chest, or abdomen—without realizing it. By systematically scanning and relaxing each region, the body shifts out of sympathetic activation. It’s a zero-cost technique that also prevents the mind from fixating on worries.

Mechanism

Progressive muscle awareness and voluntary release reduces sympathetic input and muscle spindle activity, facilitating parasympathetic dominance.

Personal experience

He often finds tension in his upper back or lower back and releases it during the scan, which helps him sleep much better.

I kind of scan for tension. … I just consciously let go of those muscles as I start from the top, working my way down … and I'm just consciously letting go of the tension. Super effective.

Also said

“What you're going to realize is that there's a couple areas of your body that you hold tension. Sometimes it's in the lower back for me or my upper back, but I'm constantly holding tension there without even being aware of it until I I'm conscious of it.”— Explains how tension is unconscious and the scan brings awareness.

Eat Early Dinner (3–5 PM) and Avoid Late-Evening Eating

WhatConsume the last meal by early evening (ideally 3–5 PM) and avoid food, especially protein, afterward.

WhenDaily; adjust dinner time earlier.

For whomAnyone with sleep difficulties, especially those who eat late and feel stuffed or have digestive discomfort.

WhyLate eating, particularly protein, can cause fullness and metabolic activity that interferes with sleep; an earlier dinner improves sleep quality.

It would be really wise to eat early dinner, like maybe 3 or 4, 4:30, maybe even 5:00, and then don't eat anything after that. You will find that you will sleep better just from that minor change.

Stop Evening Snacking to Reduce Nighttime Urination

WhatEliminate snacks in the evening and adopt intermittent fasting to lower insulin resistance and reduce nocturia.

WhenEvening; part of dietary routine.

For whomPeople who wake to urinate multiple times, especially men assuming it’s a prostate issue.

WhySnacking drives insulin resistance, which contributes to frequent urination at night; removing snacks, combined with adequate sodium, helps retain fluid and prevent sleep disruption.

Automatically, men will think that it's their prostate, but in reality, if they just stop snacking, especially at night, what would happen? They would find that they would urinate less through the night.

Restrict Caffeine to a Small Morning Cup

WhatLimit caffeine intake to a small cup of coffee early in the morning and avoid any after that.

WhenMorning only, ideally before noon.

DoseOne small cup.

For whomAnyone who consumes caffeine and has trouble sleeping.

WhyThe liver may not fully break down caffeine consumed later in the day, leaving residual stimulant effects that impair sleep onset.

Personal experience

He used to drink pots of coffee while studying until midnight; now he keeps it to one small early cup and sleeps better.

I consume a very small cup of coffee early in the morning and then that's it. … I used to consume pots of coffee all day long until late at night when I used to study in college.

Watch Boring, Predictable TV Before Bed

WhatIf watching TV in the evening, choose bland, repetitive content (e.g., Hallmark movies) that does not provoke excitement, fear, or suspense.

WhenIn the 1–2 hours before bed.

For whomThose who use screens before bed.

WhyArousing content can stimulate the mind and delay sleep; boring content helps wind down.

Personal experience

He watches Hallmark movies specifically because their predictable, repetitive plots make him fall asleep quickly.

I'll watch like a Hallmark movie which is completely the same boring uh theme over and over again. And the reason I do that is because I can go to sleep so fast like throughout that that show.

Wear Blue/Green Light Blocking Glasses 2 Hours Before Bed

WhatPut on glasses that block both blue and green wavelengths about two hours before sleep to protect melatonin production.

WhenEvening, approximately 2 hours before bedtime.

For whomAnyone exposed to artificial light in the evening.

WhyBlue and green light suppress melatonin; blocking them allows maximal melatonin build-up for stronger sleep pressure.

Mechanism

Short-wavelength light (blue and green) inhibits pineal melatonin secretion, delaying sleep onset. Filtering these wavelengths preserves the natural nocturnal melatonin rise.

Personal experience

He experimented with wearing and not wearing them and consistently found they improve sleep, wearing them despite how odd they look.

I've tried this back and forth. I'll wear those glasses for a period of time and then I won't wear them. Boy, they really work.

Minimize Bedroom EMF and Turn Off Circuit Breaker

WhatKeep cell phones and electronics far from the bed; for severe sleep issues, turn off the bedroom circuit breaker to eliminate electromagnetic fields.

WhenNightly.

For whomPeople with unexplained insomnia, especially those with many electronic devices or wiring near the bed.

WhyElectromagnetic fields from wiring and devices may disturb sleep; reducing exposure creates a more restful environment.

CaveatsTurning off the breaker may inconvenience others and requires planning.

Berg describes using an EMF meter and finding a wall in his bedroom that emitted a strong field due to crossed wires. He recommends that anyone struggling with sleep consider electrical hygiene—unplugging devices, moving phones away, and if possible, switching off the room’s electricity. He acknowledges the inconvenience but emphasizes the noticeable improvement.

Mechanism

No detailed biological mechanism provided beyond anecdotal observation that EMF exposure interferes with sleep.

Personal experience

He personally measured his room, identified the offending wall, and now avoids EMF exposure around sleep; he reports significantly better sleep.

I found the back wall just gave off this EMF 8t from the wall. I was being bathed in every night.

Also said

“If you could shut off the circuit breaker of electricity in your room, you are going to find that you're going to sleep so good.”— Offers the extreme yet effective suggestion.

Don’t Look at the Clock or Check Notifications

WhatAvoid looking at the clock or your phone if you wake up; keep the phone on airplane mode and out of sight.

WhenDuring any nighttime awakening.

For whomAnyone who wakes at night and is tempted to check the time or messages.

WhySeeing the time triggers problem-solving thoughts and worry, which raise cortisol and prevent returning to sleep.

Don't be watching the clock through the night. If you woke up, don't look over at the clock because then you're gonna start thinking … that's going to stimulate cortisol.

What's new

Personal practice updates, fresh positions, predictions

6 items

EMF detection in bedroom

Eric Berg used an EMF meter and discovered a wall in his bedroom emitting strong electromagnetic fields from crossed wires, re-shaping his sleep environment.

Why this matters: Shows a practical, personal investigation into an often-dismissed sleep disruptor and offers a home test many can replicate.

Berg had long suspected environmental factors but never measured them. After buying an EMF meter, he scanned his bedroom and found a wall radiating an ‘8t’ field from electrical wiring. He realized he had been bathed in EMF every night. This led him to advise keeping devices away and, if possible, turning off the bedroom circuit breaker to create an electrically quiet sleep zone.

Personal experience

He personally experienced improved sleep after identifying and mitigating the EMF source.

I found the back wall just gave off this EMF 8t from the wall. I was being bathed in every night.

Also said

“I actually have a device. I went in my room and I started to identify uh EMF waves.”— Shows he actively measured rather than speculated.

Blue/green light blockers for melatonin protection

Berg now wears blue-and-green-blocking glasses for two hours before bed to preserve melatonin, after testing them on and off and confirming they really work.

Why this matters: Contrary to the common ‘blue light only’ advice, he explicitly includes green wavelengths, and shares his own A/B experience.

Personal experience

He tried wearing the glasses for periods and then not wearing them, and noticed a clear difference in sleep quality.

I've tried this back and forth. I'll wear those glasses for a period of time and then I won't wear them. Boy, they really work.

Aldosterone-driven nighttime awakening from low sodium

Berg now understands that low sodium intake can elevate aldosterone at night, triggering a fight-or-flight response between 2–3 AM.

Why this matters: Shifts the narrative from ‘excess salt is bad’ to ‘insufficient salt can spike stress hormones and disrupt sleep’, a contrarian stance.

He explains that many people unknowingly crave salty snacks in the evening because their body needs the sodium, not the carbs. By consuming plain sea salt, aldosterone drops and sleep becomes uninterrupted. This contrasts with mainstream low-salt advice.

A lot of people going in the sleep if they're low in sodium will start having an elevated amount of eldoststerone. That's going to trigger the fight or flight mechanism.

B1 deficiency from carbs causing racing mind and high pulse

Berg realized his previous habit of eating a pint of Ben & Jerry's ice cream before bed was causing B1 and potassium depletion, leading to racing thoughts and elevated pulse at night.

Why this matters: Links common high-carb evening snacks to specific micronutrient deficiencies that directly impair sleep.

He describes how refined carbohydrates deplete vitamin B1 and potassium. B1 deficiency leads to excess glutamate and insufficient GABA, resulting in an overactive mind and high pulse. He now takes B1 and magnesium to quiet brain chatter and stabilize pulse.

Personal experience

He used to eat ice cream nightly and suffered from incessant thinking and sleep maintenance insomnia until he corrected the deficiency.

In my case, that was me because I would always have about a pint of Ben & Jerry's ice cream before bed. Uh, and I was just completely messing up my B1 and my potassium.

Consciously watching boring TV as a sleep wind-down

Berg deliberately chooses formulaic Hallmark movies because their predictable, unexciting plots help him fall asleep quickly.

Why this matters: Challenges the often-repeated ‘no screens before bed’ by turning screen content into a relaxation tool.

Personal experience

He watches Hallmark movies specifically because ‘the same boring theme over and over again’ helps him unwind and drift off.

I'll watch like a Hallmark movie which is completely the same boring uh theme over and over again. And the reason I do that is because I can go to sleep so fast like throughout that that show.

Eating early dinner around 3–5 PM improves sleep

Berg shifted to an early dinner and reports better sleep, especially by avoiding protein and feeling stuffed close to bedtime.

Why this matters: Runs counter to typical social schedules and encourages a substantial feeding shift for sleep benefits.

It would be really wise to eat early dinner, like maybe 3 or 4, 4:30, maybe even 5:00, and then don't eat anything after that. You will find that you will sleep better just from that minor change.

Recommendations

Products, supplements, and tools mentioned in the episode

3 items

Blue and Green Light Blocking Glasses

Tool

Blocks wavelengths that suppress melatonin; worn for about 2 hours before bed to maximize natural melatonin production.

Personal experience

He personally tested them and finds they really work, wearing them despite their odd appearance.

I have these blue blockers that also filter out green waves as well. … Both of these wavelengths can lower and suppress melatonin. … I've tried this back and forth. … Boy, they really work.

Find Blue

EMF Meter

Tool

A handheld device to measure electromagnetic fields; Berg used it to identify a high-EMF wall in his bedroom.

Personal experience

He purchased one, scanned his room, and found the back wall issuing a strong field from crossed wires.

I actually have a device. I went in my room and I started to identify uh EMF waves. And I found the back wall just gave off this EMF 8t from the wall.

Find EMF

Eye Mask and Earplugs

Tool

Worn during sleep to ensure total darkness and block disruptive noise.

Personal experience

He uses both every night.

At night, I wear a these little um not goggles, but there's a little mask on my eyes to keep everything dark. And then I also have earplugs to lessen the sound.

Find Eye

Disclosed sponsorships2speaker disclosed

Omega-3 Cod Liver Fish Oil

Product Sponsored · disclosed

Pitched as a mercury-free source of DHA and EPA from cod liver oil, supporting heart and brain health.

DisclosureBerg’s own product; he states he is excited to release it.

I'm really excited to release this new product called Omega-3 cod liver fish oil. … Both fish oils and cod liver oil have the DHA and EPA. … But the cod liver oil is different because we're extracting from the fats from the liver, but there's no mercury that can attach to it.

Find Omega-3

Acupressure for Sleep Video Series

Service Sponsored · disclosed

Step-by-step instruction on specific acupressure points to extract stress and fall asleep fast, based on his 30 years of practice.

DisclosureSpeaker’s own YouTube video series, with a link in the description.

Personal experience

He uses the techniques every night and credits them as a lifesaver.

I have a series of videos that cover certain parts of your body that tend to hold more stress than other parts … I'll put the link down below of that video so you can watch it later, but it's super effective.

Find Acupressure

Notable quotes

Lines worth pulling out — contrarian, specific, or perfectly phrased

6 items

The harder you try to go to sleep, the less sleep you're going to get.

Succinctly captures the paradox of effort and sleep; counters the typical ‘try harder’ instinct.

If your feet are cold when you are going to bed, you are going to interfere with the thermostat in your hypothalamus.

Memorable, image-rich explanation of a common but overlooked sleep blocker.

I found the back wall just gave off this EMF 8t from the wall. I was being bathed in every night.

Vivid personal discovery that makes an invisible problem tangible.

I'll take the blanket and I'll just cover him up and then um I'll just take the sheet, put it over me, and within about 10 minutes he gets uncomfortable and gets off the bed.

Hilarious, real-life pet-sleep hack that humanizes the advice.

When you breathe through your nose, you actually get the right balance of CO2 with oxygen to get the maximum oxygen in your cells.

Challenges the assumption that more oxygen is always better and introduces the Bohr effect simply.

So many people have this idea that too much salt is bad for them. … Just consume more salt in the evening, maybe even on your food, and watch how much better you stay asleep.

Contrarian health stance that flips conventional low-salt dogma.

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Topics covered

cold-feet-melatoninsea-salt-aldosteronenose-breathing-co2low-carb-adrenalinebody-scan-relaxationearly-dinner-sleepnight-snacking-urinationcaffeine-stimulantsboring-tv-sleepblue-blockers-melatoninemf-electromagnetic-fieldsclock-watching-cortisoleffortless-sleep-attitudesleep-consistencyashwagandha-cortisolpulse-rate-b1-potassiumbrain-chatter-b1-deficiencyacupressure-stressfascial-stretch-tensionmagnesium-glycinate-gaba

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Educational summary of the cited expert source — not medical advice. Open the source recording linked above and consult a qualified physician before acting on any protocol.