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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.show more

Camus

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22,867 views • 3 days ago •via X (Twitter)

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The two sleep rules that actually work (according to the world’s top sleep scientist). Matthew Walker dropped these simple but powerful ones: 1. Same bedtime, same wake-up time — every single day, even weekends. Regularity beats everything for anchoring deep, high-quality sleep. 2. Keep your bedroom cool. Your body has to drop its core temperature by ~1°C to fall asleep and stay asleep. That’s why a slightly cold room always feels easier than a warm one. He also stressed avoiding alcohol/caffeine and skipping naps if you’re struggling at night. The consistency rule surprised me the most. I used to wreck my sleep with weekend lie-ins, but locking in the same schedule has been quietly transformative. Great sleep is one of the highest-leverage things you can do for your brain, mood, energy and health — and these changes cost nothing. What’s one sleep habit that’s genuinely improved your life?

The two sleep rules that actually work (according to the world’s top sleep scientist). Matthew Walker dropped these simple but powerful ones: 1. Same bedtime, same wake-up time — every single day, even weekends. Regularity beats everything for anchoring deep, high-quality sleep. 2. Keep your bedroom cool. Your body has to drop its core temperature by ~1°C to fall asleep and stay asleep. That’s why a slightly cold room always feels easier than a warm one. He also stressed avoiding alcohol/caffeine and skipping naps if you’re struggling at night. The consistency rule surprised me the most. I used to wreck my sleep with weekend lie-ins, but locking in the same schedule has been quietly transformative. Great sleep is one of the highest-leverage things you can do for your brain, mood, energy and health — and these changes cost nothing. What’s one sleep habit that’s genuinely improved your life?

Camus

12,444 views • 2 months ago

Matthew Walker’s 5 brutal truths for crushing insomnia (from a neuroscientist who studies sleep for a living): 1. Regularity is KING — same bedtime & wake-up time every single day (yes, weekends too). 2. Darkness is non-negotiable — dim lights 1 hour before bed, no screens, ideally pitch black (melatonin rises 2 hours earlier in total darkness). 3. Cool the core — drop bedroom to ~65–68°F (brain must lose 2–3°F to fall asleep). Cold room > hot room every time. 4. Warm extremities trick — hot bath 1–2 hours before bed causes massive heat dump → core temp plummets → instant drowsiness (counterintuitive but proven). 5. Midnight means something — hunter-gatherers sleep ~2 hours after dusk, wake ~30–60 min before dawn. Temperature drop signals sleep, temperature rise signals wake-up. Clip from this 4:45 masterclass — Joe Rogan & Matthew Walker breaking down why modern life is sleep sabotage. Which one are you implementing tonight? Cold room + hot bath combo? Total blackout? Or already nailed the regularity? Drop your go-to sleep hack (or biggest struggle) below 👇

Matthew Walker’s 5 brutal truths for crushing insomnia (from a neuroscientist who studies sleep for a living): 1. Regularity is KING — same bedtime & wake-up time every single day (yes, weekends too). 2. Darkness is non-negotiable — dim lights 1 hour before bed, no screens, ideally pitch black (melatonin rises 2 hours earlier in total darkness). 3. Cool the core — drop bedroom to ~65–68°F (brain must lose 2–3°F to fall asleep). Cold room > hot room every time. 4. Warm extremities trick — hot bath 1–2 hours before bed causes massive heat dump → core temp plummets → instant drowsiness (counterintuitive but proven). 5. Midnight means something — hunter-gatherers sleep ~2 hours after dusk, wake ~30–60 min before dawn. Temperature drop signals sleep, temperature rise signals wake-up. Clip from this 4:45 masterclass — Joe Rogan & Matthew Walker breaking down why modern life is sleep sabotage. Which one are you implementing tonight? Cold room + hot bath combo? Total blackout? Or already nailed the regularity? Drop your go-to sleep hack (or biggest struggle) below 👇

Camus

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20,082 views • 2 months ago

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Bryan Johnson reveals what you MUST do to get the best sleep possible ''Reading a book for 10 minutes before bed is as powerful as sleep medication, on some metrics it's even more powerful than sleep meds'' ''Have your final meal of the day 4 hours before bed, it gives your body time to digest, and when your body has that distance it will lower its body temperature, your blood glucose will be down, melatonin is produced and it gets the body in a more relaxed state'' ''You need like an hour wind down routine, if your bedtime is 10 PM, when 9 PM comes turn off all the screens and spend that hour doing things that relax you, read a book, breath work, meditation, hang out with a friend, anything but be on your screen''

Teddy - PolyBackTest.com

825,114 views • 4 months ago

Bryan Johnson reveals what you MUST do to get the best sleep possible ''Reading a book for 10 minutes before bed is as powerful as sleep medication, on some metrics it's even more powerful than sleep meds'' ''Have your final meal of the day 4 hours before bed, it gives your body time to digest, and when your body has that distance it will lower its body temperature, your blood glucose will be down, melatonin is produced and it gets the body in a more relaxed state'' ''You need like an hour wind down routine, if your bedtime is 10 PM, when 9 PM comes turn off all the screens and spend that hour doing things that relax you, read a book, breath work, meditation, hang out with a friend, anything but be on your screen''

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Mikli

1,684,854 views • 5 months ago

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136,144 views • 2 years ago

Try the bed cooling, warming, and sweat-drying sleep system that is clinically proven to improve sleep and relieve night sweats. Designed by a former NASA spacesuit climate system engineer to keep you at your most perfect temperature in bed.

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BedJet

45,944,764 views • 2 years ago

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Camus

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333,086 views • 1 year ago

Imagine going to bed the night before and waking up to a sub zero drop in temperature that caused a pipe burst to literally freeze your town in several feet of ice, what would you do?

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SonnyBoy🇺🇸

281,424 views • 7 months ago

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Huberman Lab Clips

52,019 views • 2 months ago

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Crystal Heath DVM

366,465 views • 6 months ago

WATER DRINKING HACK: BURN FAT!! Yes, drinking water actually burns calories. Did you know that when you drink 1 liter of water, your body burns 35 calories? So let's assume an average intake of 3 to 4 liters, you will easily burn 100 calories on top of your normal expenditure. How that works is that your body reduces the temperature of the water to the body's core temperature, and that actually burns calories. So if you ever needed any incentive to stay hydrated, think about that. And whenever you are trying to go into a calorie deficit, think about increasing a little bit your water intake. Not only that it creates volume in your stomach, making you less hungry, it actually burns calories. Did you know?

WATER DRINKING HACK: BURN FAT!! Yes, drinking water actually burns calories. Did you know that when you drink 1 liter of water, your body burns 35 calories? So let's assume an average intake of 3 to 4 liters, you will easily burn 100 calories on top of your normal expenditure. How that works is that your body reduces the temperature of the water to the body's core temperature, and that actually burns calories. So if you ever needed any incentive to stay hydrated, think about that. And whenever you are trying to go into a calorie deficit, think about increasing a little bit your water intake. Not only that it creates volume in your stomach, making you less hungry, it actually burns calories. Did you know?

Chris MMHealth

34,406 views • 8 months ago

If you had one question for a sleep expert, what would it be?? Today, Dr Michael Breus answers the questions people are usually too embarrassed to ask… Dr Michael is a clinical psychologist and board-certified sleep specialist. He’s spent the last 26 years helping people fix the one thing that impacts almost everything else - sleep. Michael brought me through the framework he uses with his clients. He started with chronotypes, how your body’s natural rhythm affects everything from energy to focus. Then we looked at blood sugar and how dips in the night can trigger those 3am wakeups. We spoke about why most people use melatonin wrong, and how core body temperature plays a bigger role in sleep than most of us realise!

If you had one question for a sleep expert, what would it be?? Today, Dr Michael Breus answers the questions people are usually too embarrassed to ask… Dr Michael is a clinical psychologist and board-certified sleep specialist. He’s spent the last 26 years helping people fix the one thing that impacts almost everything else - sleep. Michael brought me through the framework he uses with his clients. He started with chronotypes, how your body’s natural rhythm affects everything from energy to focus. Then we looked at blood sugar and how dips in the night can trigger those 3am wakeups. We spoke about why most people use melatonin wrong, and how core body temperature plays a bigger role in sleep than most of us realise!

Steven Bartlett

18,000 views • 5 months ago

Even though it may help people fall asleep faster and stay asleep, THC has several downsides when it comes to sleep. For one, the sleep-promoting effects fade over time—it works for a few weeks but eventually stops being effective at the same dose. To keep sleeping better, you need to use more. THC also potently suppresses REM sleep, and when people stop using it, they can experience insomnia, a rebound in REM sleep, and even nightmares. If you're looking for a sleep-promoting supplement, better options include (low-dose) melatonin, magnesium, glycine, L-theanine, and valerian.

Even though it may help people fall asleep faster and stay asleep, THC has several downsides when it comes to sleep. For one, the sleep-promoting effects fade over time—it works for a few weeks but eventually stops being effective at the same dose. To keep sleeping better, you need to use more. THC also potently suppresses REM sleep, and when people stop using it, they can experience insomnia, a rebound in REM sleep, and even nightmares. If you're looking for a sleep-promoting supplement, better options include (low-dose) melatonin, magnesium, glycine, L-theanine, and valerian.

Dr. Rhonda Patrick

111,664 views • 9 months ago

Eating before bed might be single worst thing you can do for sleep Spiking blood sugar before bedtime raises your body temperature and triggers a fight-or-flight response—precisely when your body needs calm This elevated blood sugar (hyperglycemia) can create symptoms that mimic anxiety or insomnia, leaving you restless and overheated The fix is simple: eat earlier, or skip the nighttime snack altogether

Eating before bed might be single worst thing you can do for sleep Spiking blood sugar before bedtime raises your body temperature and triggers a fight-or-flight response—precisely when your body needs calm This elevated blood sugar (hyperglycemia) can create symptoms that mimic anxiety or insomnia, leaving you restless and overheated The fix is simple: eat earlier, or skip the nighttime snack altogether

FoundMyFitness Clips

209,352 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. 🧵

“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 🦊

149,711 views • 6 months ago