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Your brain will literally start dreaming while you're awake if it doesn't get enough REM sleep. Matthew Walker explains the horrifying reality behind delirium tremens (the DTs): When chronic alcoholics quit drinking, the massive backlog of suppressed dream sleep explodes into consciousness. The brain becomes so desperate for REM...

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Camus

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150,883 views • 4 months ago •via X (Twitter)

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How this affects the brain: "Exercise improves brain health in the long term, through the deployment of things like BDNF, through the deployment of things like osteocalcin, and on and on. But it also does so by improving your sleep." "If you're slightly sleep deprived, sure go ahead and exercise. That will actually help you offset some of the negative effects of that sleep deprivation, but you want to be careful how you exercise so you don't get sick and you don't get injured." "You don't want to get into a habit of using exercise as a way to compensate for sleep loss." "After about 10 days of not doing any training, that is no cardiovascular training, no resistance training, you start to see significant decrements in brain oxygenation levels." "Rapid eye movement sleep is the kind of king of reshaping your brain connections for the better. Just a little bit of REM deprivation will make you more emotional and will make the painful experiences of recent and distant past also more painful." "Sleep is the thing that mediates many, not all, but many of the positive effects of exercise on brain performance and long-term brain health." Andrew D. Huberman, Ph.D.
5:28

How this affects the brain: "Exercise improves brain health in the long term, through the deployment of things like BDNF, through the deployment of things like osteocalcin, and on and on. But it also does so by improving your sleep." "If you're slightly sleep deprived, sure go ahead and exercise. That will actually help you offset some of the negative effects of that sleep deprivation, but you want to be careful how you exercise so you don't get sick and you don't get injured." "You don't want to get into a habit of using exercise as a way to compensate for sleep loss." "After about 10 days of not doing any training, that is no cardiovascular training, no resistance training, you start to see significant decrements in brain oxygenation levels." "Rapid eye movement sleep is the kind of king of reshaping your brain connections for the better. Just a little bit of REM deprivation will make you more emotional and will make the painful experiences of recent and distant past also more painful." "Sleep is the thing that mediates many, not all, but many of the positive effects of exercise on brain performance and long-term brain health." Andrew D. Huberman, Ph.D.

Huberman Lab Clips

30,259 views • 5 days ago

I had no idea that horses are physically unable to dream unless they feel safe enough to lie down. They sleep standing up most of the time. Their legs have a built-in locking system that holds them upright without any muscle effort. But standing sleep is only light sleep. To reach REM sleep, the deepest stage of rest where the brain processes memories, repairs the body, and produces dreams, every muscle has to completely relax. That can only happen lying down. Lying down makes a horse completely defenceless. It takes several seconds to get back on its feet, and in the wild that delay can be fatal. So a horse will only lie down to sleep when it completely trusts whatever is around it. In wild herds, at least one horse always stays standing while the others rest. If a horse feels stressed, alone, or unsure, it simply won’t lie down. It will go days without deep sleep rather than take the risk. So this horse, flat on its side, completely out while its owner sleeps against it, isn’t just napping. It has decided this person is safe enough to be completely helpless around.
0:55

I had no idea that horses are physically unable to dream unless they feel safe enough to lie down. They sleep standing up most of the time. Their legs have a built-in locking system that holds them upright without any muscle effort. But standing sleep is only light sleep. To reach REM sleep, the deepest stage of rest where the brain processes memories, repairs the body, and produces dreams, every muscle has to completely relax. That can only happen lying down. Lying down makes a horse completely defenceless. It takes several seconds to get back on its feet, and in the wild that delay can be fatal. So a horse will only lie down to sleep when it completely trusts whatever is around it. In wild herds, at least one horse always stays standing while the others rest. If a horse feels stressed, alone, or unsure, it simply won’t lie down. It will go days without deep sleep rather than take the risk. So this horse, flat on its side, completely out while its owner sleeps against it, isn’t just napping. It has decided this person is safe enough to be completely helpless around.

Dr. Lemma

163,153 views • 4 months ago

🚨 MY FREE 2-DAY CHALLENGE IS BACK 🚨 On April 29–30, I’m guiding you through a Sleep Optimization Challenge that will change how you rest... forever. Here’s what we’re doing: ✅ Day 1: Nervous System + Circadian Rhythm Reset How to send the biological signals that tell your brain it’s safe to sleep. ✅ Day 2: Deep Sleep + REM Mastery How to enter the sleep stages where recovery, hormone balance, memory consolidation, and real repair actually happen. Thousands of people permanently changed their sleep the last time we did this. This time… you’re joining us. 👇🏻 Comment “SLEEP” and I’ll get you in. LET'S GO.
0:56

🚨 MY FREE 2-DAY CHALLENGE IS BACK 🚨 On April 29–30, I’m guiding you through a Sleep Optimization Challenge that will change how you rest... forever. Here’s what we’re doing: ✅ Day 1: Nervous System + Circadian Rhythm Reset How to send the biological signals that tell your brain it’s safe to sleep. ✅ Day 2: Deep Sleep + REM Mastery How to enter the sleep stages where recovery, hormone balance, memory consolidation, and real repair actually happen. Thousands of people permanently changed their sleep the last time we did this. This time… you’re joining us. 👇🏻 Comment “SLEEP” and I’ll get you in. LET'S GO.

Gary Brecka

50,000 views • 5 months ago

Dr. Andrew Huberman (Andrew D. Huberman, Ph.D.) explains how exercise and sleep interact to sustain peak brain function: - Acute sleep loss (one night): “Sure go ahead and exercise”—keep it moderate to offset cognitive drag while minimizing injury/immune risk. - Prolonged inactivity (>10 days): “You start to see significant decrements in brain oxygenation levels.” - Morning exercise + bright light (+ optional caffeine) is a “terrific way to improve the amount and quality of sleep that you get at night.” - More deep & REM sleep translates to stronger memory, steadier emotions, and long-term neural health.
5:28

Dr. Andrew Huberman (Andrew D. Huberman, Ph.D.) explains how exercise and sleep interact to sustain peak brain function: - Acute sleep loss (one night): “Sure go ahead and exercise”—keep it moderate to offset cognitive drag while minimizing injury/immune risk. - Prolonged inactivity (>10 days): “You start to see significant decrements in brain oxygenation levels.” - Morning exercise + bright light (+ optional caffeine) is a “terrific way to improve the amount and quality of sleep that you get at night.” - More deep & REM sleep translates to stronger memory, steadier emotions, and long-term neural health.

Huberman Lab Clips

192,267 views • 1 year ago

🚨SLEEP DEPRIVATION DAMAGES YOUR BRAIN—LITERALLY Sleep deprivation isn’t just tiring—it’s brain damage. A study on young participants found that just one night of bad sleep increased levels of the protein S-100B by 20%—the same spike seen in traumatic brain injuries. Once in the bloodstream, this protein triggers toxicity, potentially leading to neuronal death. How do you prevent this? Get high-quality sleep. Treat bedtime like the most important appointment of the day. Source: Instagram/ bryanjohnson_
0:30

🚨SLEEP DEPRIVATION DAMAGES YOUR BRAIN—LITERALLY Sleep deprivation isn’t just tiring—it’s brain damage. A study on young participants found that just one night of bad sleep increased levels of the protein S-100B by 20%—the same spike seen in traumatic brain injuries. Once in the bloodstream, this protein triggers toxicity, potentially leading to neuronal death. How do you prevent this? Get high-quality sleep. Treat bedtime like the most important appointment of the day. Source: Instagram/ bryanjohnson_

Mario Nawfal

19,067,558 views • 1 year ago

“WOW!” Joe Rogan’s brain nearly exploded when Dr. Matthew Walker explained what just a one-hour difference in sleep can do. When we spring forward for daylight savings time, “we see a subsequent 24% INCREASE in heart attacks.” But this is the part that blew Rogan’s mind: “In the fall, in the autumn, when we gain an hour of sleep, there’s a 21% decrease in heart attacks. So it’s bidirectional.” “Wow!” Rogan said, stunned. “That’s how fragile and vulnerable your body is to even just the smallest perturbation of sleep,” Dr. Walker explained. And if losing or gaining just one hour can swing heart attack risk that dramatically, imagine what years of bad sleep are doing to your body. 🧵
0:59

“WOW!” Joe Rogan’s brain nearly exploded when Dr. Matthew Walker explained what just a one-hour difference in sleep can do. When we spring forward for daylight savings time, “we see a subsequent 24% INCREASE in heart attacks.” But this is the part that blew Rogan’s mind: “In the fall, in the autumn, when we gain an hour of sleep, there’s a 21% decrease in heart attacks. So it’s bidirectional.” “Wow!” Rogan said, stunned. “That’s how fragile and vulnerable your body is to even just the smallest perturbation of sleep,” Dr. Walker explained. And if losing or gaining just one hour can swing heart attack risk that dramatically, imagine what years of bad sleep are doing to your body. 🧵

The Vigilant Fox 🦊

149,857 views • 7 months ago

If you're sleep deprived, one of the best things you can do (counterintuitively) is high-intensity exercise. A few hours of sleep deprivation reduces insulin sensitivity and impairs cognitive function. But just 10 minutes of HIIT can enhance brain blood flow, cognitive performance, and blood glucose regulation. It can take you back to baseline, or even above it, for several hours or until you can get adequate sleep. You may not feel like going hard when you're tired, but the short-term benefits are real. Just don't make poor sleep a habit.
2:36

If you're sleep deprived, one of the best things you can do (counterintuitively) is high-intensity exercise. A few hours of sleep deprivation reduces insulin sensitivity and impairs cognitive function. But just 10 minutes of HIIT can enhance brain blood flow, cognitive performance, and blood glucose regulation. It can take you back to baseline, or even above it, for several hours or until you can get adequate sleep. You may not feel like going hard when you're tired, but the short-term benefits are real. Just don't make poor sleep a habit.

Dr. Rhonda Patrick

267,727 views • 7 months ago

Robert Monroe: "Sleep is a doorway to another realm. It's time to wake up within the dream" The Monroe Institute has spent over fifty years proving this through rigorous research and Hemi-Sync technology. Their work shows sleep is not passive rest. It is an active portal where consciousness can expand far beyond the physical body. Participants regularly report lucid awareness during sleep, out of body journeys, and a clear knowing that we are more than our physical form. These experiences reveal that the boundary between waking and dreaming is far thinner than most realize. Have you ever experienced a moment in sleep or a dream that felt more real and meaningful than your waking life? Tell me what you discovered.
1:09

Robert Monroe: "Sleep is a doorway to another realm. It's time to wake up within the dream" The Monroe Institute has spent over fifty years proving this through rigorous research and Hemi-Sync technology. Their work shows sleep is not passive rest. It is an active portal where consciousness can expand far beyond the physical body. Participants regularly report lucid awareness during sleep, out of body journeys, and a clear knowing that we are more than our physical form. These experiences reveal that the boundary between waking and dreaming is far thinner than most realize. Have you ever experienced a moment in sleep or a dream that felt more real and meaningful than your waking life? Tell me what you discovered.

Interstellar

53,006 views • 22 days ago

Robert Monroe: "Sleep is a doorway to another realm. It's time to wake up within the dream" The Monroe Institute has spent over fifty years proving this through rigorous research and Hemi-Sync technology. Their work shows sleep is not passive rest. It is an active portal where consciousness can expand far beyond the physical body. Participants regularly report lucid awareness during sleep, out of body journeys, and a clear knowing that we are more than our physical form. These experiences reveal that the boundary between waking and dreaming is far thinner than most realize. What if every night offers the chance to wake up inside the dream and remember who you truly are? Have you ever experienced a moment in sleep or a dream that felt more real and meaningful than your waking life? Tell me what you discovered.
1:09

Robert Monroe: "Sleep is a doorway to another realm. It's time to wake up within the dream" The Monroe Institute has spent over fifty years proving this through rigorous research and Hemi-Sync technology. Their work shows sleep is not passive rest. It is an active portal where consciousness can expand far beyond the physical body. Participants regularly report lucid awareness during sleep, out of body journeys, and a clear knowing that we are more than our physical form. These experiences reveal that the boundary between waking and dreaming is far thinner than most realize. What if every night offers the chance to wake up inside the dream and remember who you truly are? Have you ever experienced a moment in sleep or a dream that felt more real and meaningful than your waking life? Tell me what you discovered.

Interstellar

78,412 views • 1 month ago

Bryan Johnson explains how lack of sleep can increase the risk of cancer ''When you get 4 hours of sleep per night or less for a few days, your NK cells, which are the cells that survey your body for cancer, go down in activity by roughly 70%. So a way to increase the risk of cancer is low sleep'' ''You can increase the risk of cancer when your body is in poor health. When you are older and when your immune system is not as strong, you have a higher chance of getting cancer''
0:32

Bryan Johnson explains how lack of sleep can increase the risk of cancer ''When you get 4 hours of sleep per night or less for a few days, your NK cells, which are the cells that survey your body for cancer, go down in activity by roughly 70%. So a way to increase the risk of cancer is low sleep'' ''You can increase the risk of cancer when your body is in poor health. When you are older and when your immune system is not as strong, you have a higher chance of getting cancer''

Mikli

53,527 views • 5 months ago

‼️BIG TECH IS NOW RELEASING A DEVICE THAT WILL MAKE YOU CONSCIOUS INSIDE YOUR OWN DREAMS Prophetic, an American technology company, has officially launched a device capable of tapping into your dreams. Not just to observe them, but to remember, shape, and control them. Here is how it works. The device sends low-level ultrasonic pulses through the forehead and directly into the prefrontal cortex, the part of the brain that goes quiet during regular dreaming but lights up during lucid dreams. By gently reactivating that region, the device pulls your sleeping brain into a state of full awareness, where you know you are dreaming and can steer where it goes. The last frontier of human privacy was your mind while you slept. That just ended. The WEF's "you will own nothing and you will be happy" just got its biggest upgrade yet. Why spend years convincing you while you are awake when they can simply program it in while you sleep? Nothing to see here. Absolutely nothing can go wrong. Sweet dreams. They are counting on it.
1:27

‼️BIG TECH IS NOW RELEASING A DEVICE THAT WILL MAKE YOU CONSCIOUS INSIDE YOUR OWN DREAMS Prophetic, an American technology company, has officially launched a device capable of tapping into your dreams. Not just to observe them, but to remember, shape, and control them. Here is how it works. The device sends low-level ultrasonic pulses through the forehead and directly into the prefrontal cortex, the part of the brain that goes quiet during regular dreaming but lights up during lucid dreams. By gently reactivating that region, the device pulls your sleeping brain into a state of full awareness, where you know you are dreaming and can steer where it goes. The last frontier of human privacy was your mind while you slept. That just ended. The WEF's "you will own nothing and you will be happy" just got its biggest upgrade yet. Why spend years convincing you while you are awake when they can simply program it in while you sleep? Nothing to see here. Absolutely nothing can go wrong. Sweet dreams. They are counting on it.

Mr. Nobody

58,360 views • 4 months ago

Nerd Taehyung talking about REM sleep for a full minute 🐯: Not dreaming is actually a really good thing because that means you’re in deep sleep. But these days I dream all the time, which means I’m in REM sleep, right? REM stands for “rapid eye movement.” 🐹: Wow, you really know everything… 🐯: It’s when your eyes keep moving around even with your eyes closed that’s called REM sleep, and it means you’re not sleeping deeply. 🐹 Look at you getting all smart these days 🐨 : You are pretty sharp. 🐹 Wow, you’ve seriously gotten really sharp 🐻 I just really like dreaming
0:54

Nerd Taehyung talking about REM sleep for a full minute 🐯: Not dreaming is actually a really good thing because that means you’re in deep sleep. But these days I dream all the time, which means I’m in REM sleep, right? REM stands for “rapid eye movement.” 🐹: Wow, you really know everything… 🐯: It’s when your eyes keep moving around even with your eyes closed that’s called REM sleep, and it means you’re not sleeping deeply. 🐹 Look at you getting all smart these days 🐨 : You are pretty sharp. 🐹 Wow, you’ve seriously gotten really sharp 🐻 I just really like dreaming

TG

144,625 views • 3 months ago

Not many people will tell you about the problem of sleeping on the left side so I will tell you... The problem with sleeping on the LEFT side is that the liver is located in the upper quadrant, when you sleep on the left for 6-7 hours, due to gravity, the liver can actually COMPRESS the heart - which you don't want happening Solution? Before you go to bed, obviously don't sleep on your stomach but rather SLEEP ON THE RIGHT! Watch this short and simple video below to explain why you shouldn't sleep on the left or sleep on your stomach but rather why you should ALWAYS sleep on your right - watch it 10 times if you need to:
2:09

Not many people will tell you about the problem of sleeping on the left side so I will tell you... The problem with sleeping on the LEFT side is that the liver is located in the upper quadrant, when you sleep on the left for 6-7 hours, due to gravity, the liver can actually COMPRESS the heart - which you don't want happening Solution? Before you go to bed, obviously don't sleep on your stomach but rather SLEEP ON THE RIGHT! Watch this short and simple video below to explain why you shouldn't sleep on the left or sleep on your stomach but rather why you should ALWAYS sleep on your right - watch it 10 times if you need to:

Moosa

33,967 views • 3 months ago

"I’ve stayed awake for nine straight days." Matt Rife tells Joe Rogan he hasn't hit REM sleep in 5 years, running on 30mg melatonin ODs and smoking every night just to "deform in bed." For context: The world record is ~11 days, and science says hallucinations start by day 4. According to Rogan, the standard 8-hour rule is a myth because our sleep windows are entirely dictated by genetics and daily activity levels. Matt blames his insomnia on the exact same mechanism that lets him think quickly on stage: his brain simply doesn't have an off-switch. How many hours of sleep do you personally need to function properly?
2:00

"I’ve stayed awake for nine straight days." Matt Rife tells Joe Rogan he hasn't hit REM sleep in 5 years, running on 30mg melatonin ODs and smoking every night just to "deform in bed." For context: The world record is ~11 days, and science says hallucinations start by day 4. According to Rogan, the standard 8-hour rule is a myth because our sleep windows are entirely dictated by genetics and daily activity levels. Matt blames his insomnia on the exact same mechanism that lets him think quickly on stage: his brain simply doesn't have an off-switch. How many hours of sleep do you personally need to function properly?

Rayne

2,671,710 views • 1 month ago

Bryan Johnson’s Best Health Hack Will Help You Sleep Better and Live Longer “The single best thing I've learned out of everything I've ever done is (lowering) your resting heart rate before sleep is the best thing you can do for your health. Hands down.” “Let's say it's 60 beats per minute. Your goal over the next month is to lower your heart rate by 10% or so. So if you're 60, be down at 54.” “Here's how you're going to do it.” 1) No food for 4 hours before bed 2) No screens for 1 hour before bed 3) Amber and red lights in your house, no blues 4) No caffeine after 12pm “The reason why your heart rate is so important is the lower your heart rate is, the better your sleep, the better your sleep, the better your willpower.” “Did you know, if you don't sleep your prefrontal cortex goes offline and you lose your willpower?” “So when you're trying to not eat the cookie, you're powerless. You can't do it. It's gone.” “I promise you, this is the single best thing you can do for your health.” Bryan Johnson
1:40

Bryan Johnson’s Best Health Hack Will Help You Sleep Better and Live Longer “The single best thing I've learned out of everything I've ever done is (lowering) your resting heart rate before sleep is the best thing you can do for your health. Hands down.” “Let's say it's 60 beats per minute. Your goal over the next month is to lower your heart rate by 10% or so. So if you're 60, be down at 54.” “Here's how you're going to do it.” 1) No food for 4 hours before bed 2) No screens for 1 hour before bed 3) Amber and red lights in your house, no blues 4) No caffeine after 12pm “The reason why your heart rate is so important is the lower your heart rate is, the better your sleep, the better your sleep, the better your willpower.” “Did you know, if you don't sleep your prefrontal cortex goes offline and you lose your willpower?” “So when you're trying to not eat the cookie, you're powerless. You can't do it. It's gone.” “I promise you, this is the single best thing you can do for your health.” Bryan Johnson

The All-In Podcast

315,382 views • 10 months ago

The magic you're looking for is in the work you keep attempting to avoid When it comes to a better diet, hitting the gym, whatever it is... Just get started And focus on the "big boulders" (sleep, exercise, diet) You don't have to be perfect from the start Consistency is all that matters
2:00

The magic you're looking for is in the work you keep attempting to avoid When it comes to a better diet, hitting the gym, whatever it is... Just get started And focus on the "big boulders" (sleep, exercise, diet) You don't have to be perfect from the start Consistency is all that matters

FoundMyFitness Clips

22,918 views • 2 years ago

Your core body temperature needs to drop for you to fall asleep properly. Matthew Walker explained the counterintuitive part: cold is better for sleep, but you often need to warm your hands and feet first. That pulls blood to the surface so the heat can radiate away and your core cools down. The classic hack is a hot bath. You get out feeling warm and relaxed, but what’s actually happening is a big thermal dump, core temperature plummets, and that’s what helps you drop off faster and get more deep non-REM sleep. Hunter-gatherer sleep patterns still track the natural night-time drop in temperature. The body was built to respond to it. A simple lever most of us overlook.
1:59

Your core body temperature needs to drop for you to fall asleep properly. Matthew Walker explained the counterintuitive part: cold is better for sleep, but you often need to warm your hands and feet first. That pulls blood to the surface so the heat can radiate away and your core cools down. The classic hack is a hot bath. You get out feeling warm and relaxed, but what’s actually happening is a big thermal dump, core temperature plummets, and that’s what helps you drop off faster and get more deep non-REM sleep. Hunter-gatherer sleep patterns still track the natural night-time drop in temperature. The body was built to respond to it. A simple lever most of us overlook.

Camus

27,525 views • 27 days ago

I love educating on health w the help of my medical team of doctors. As part of SO JAO campaign to create awareness on sleep crisis, I have made over 15 reels & this one addresses a very important myth. As we get older, we don’t sleep as well & then just dismiss it saying “ it happens to everyone with age, you need less sleep as you get older”. This is so incorrect & therefore this reel had to be made. You can find all my educational reels on sleep in the highlights section of my Instagram page. Do get educated & work on your sleep hygiene. My dream is to have a healthier nation !!
1:23

I love educating on health w the help of my medical team of doctors. As part of SO JAO campaign to create awareness on sleep crisis, I have made over 15 reels & this one addresses a very important myth. As we get older, we don’t sleep as well & then just dismiss it saying “ it happens to everyone with age, you need less sleep as you get older”. This is so incorrect & therefore this reel had to be made. You can find all my educational reels on sleep in the highlights section of my Instagram page. Do get educated & work on your sleep hygiene. My dream is to have a healthier nation !!

Namita

41,430 views • 3 months ago