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" Based on the science, you can make somewhat clear statements: The number of people who can survive on six hours of sleep without impairment is zero. "
Matthew Walker
Science
You
Survive
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" I give myself a non-negotiable eight-hour sleep opportunity every night. "
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" Deep non-REM sleep almost hits the save button on those recently acquired informational pieces so that when you wake up the next morning, you have remembering rather than forgetting. "
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" Light is a profound degrader of our sleep. "
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" People dramatically underestimate how much sleep is linked to all the diseases killing us. We know a lack of sleep is linked to numerous forms of cancer - bowel, prostate, breast cancer. "
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" The time of night when you sleep makes a significant difference in terms of the structure and quality of your sleep. "
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" It's during dream sleep where we start to actually take the sting out of difficult, even traumatic, emotional experiences that we've been having. And sleep almost divorces that emotional, bitter rind from the memory experiences that we've had during the day. "
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" Individuals fail to recognise how their perennial state of sleep deficiency has come to compromise their mental aptitude and physical vitality, including the slow accumulation of ill health. "
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Health
Compromise
Mental
" I just tell people I'm a dolphin trainer. It's better for everyone. "
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Everyone
Better
Trainer
" Some people actually sleep better when the significant other is with them. For other couples, it's the opposite. "
Matthew Walker
Some People
Better
People
" Below seven hours of sleep, there are objective impairments in the body. Eight hours are recommended. "
Matthew Walker
Objective
Sleep
Body
" Do you tend to sleep in during the weekends? That usually signals that you're trying to sleep off a debt you've accumulated during the week. "
Matthew Walker
Weekends
Trying
Sleep
" Sleep is the Swiss army knife of health. When sleep is deficient, there is sickness and disease. And when sleep is abundant, there is vitality and health. "
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Knife
Sleep
Sickness
" It's not clear whether the brain actually is designed to have nightmares or whether this is actually the process going awry. "
Matthew Walker
Clear
Brain
Going
" Alcohol is a class of drugs that we call 'the sedatives.' And what you're doing is just knocking your brain out. You're not putting it into natural sleep. "
Matthew Walker
Brain
Sleep
Doing
" That short-sleeping that we're now suffering is a consequence of our lifestyle. It's not a consequence of evolutionary habituation. "
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Suffering
Lifestyle
Our
" Sleep is Mother Nature's best effort yet to counter death. "
Matthew Walker
Sleep
Nature
Best
" We now know that we imprint information during the day. We sort of - that seed is planted there within the brain during the day. In other words, we learn information. But we also know that that vision that was planted in the brain still remains in the sound of silence, in this - in the dark of night. "
Matthew Walker
Silence
Vision
Seed
" Sleep-deprived individuals also generate fewer and less accurate solutions to problems. "
Matthew Walker
Less
Accurate
Problems
" Midnight is the time when we think, 'Well, we should probably send our last email; let me just check Facebook one more time.' "
Matthew Walker
Me
Last
Midnight
" What is dreaming, and what happens, and are there any real benefits to dreaming? Well, to take a step back, I think it's important to note that dreaming essentially is a time when we all become flagrantly psychotic. "
Matthew Walker
Back
Time
Think
" Creativity is, after all, lauded as the engine of business innovation. "
Matthew Walker
Creativity
Innovation
Business
" My name is Matthew Walker, I am a professor of neuroscience and psychology at the University of California, Berkeley, and I am the author of the book 'Why We Sleep.' "
Matthew Walker
Name
Sleep
Why
" I think many people walk through their lives in an under-slept state not realizing it. It's become this new natural baseline. "
Matthew Walker
Walk
Many
Natural
" When did a doctor prescribe, not sleeping pills, but sleep itself? It needs to be prioritised, even incentivised. "
Matthew Walker
Sleeping
Sleep
Needs
" You should not actually stay in bed for very long awake, because your brain is this remarkably associative device, and it quickly learns that the bed is about being awake. So you should go to another room - a room that's dim. Just read a book - no screens, no phones - and, only when you're sleepy, return to the bed. "
Matthew Walker
Phones
Brain
Book
" It's not that we simply get old, and memory starts to go, and sleep starts to deteriorate. But those two things actually are significantly interrelated. "
Matthew Walker
Sleep
Memory
Go
" The gross demonstration of caffeine is that it prevents you from falling asleep. The slightly more nefarious aspect of caffeine is that maybe you can fall asleep, but we know that the depth of deep sleep you're getting if caffeine is still in your system is severely less. "
Matthew Walker
Sleep
Fall
Deep
" As you try to tweak your sleep one way or the other, you might be, you might be doing great - you might do better at remembering details of an event, but you might end up being poorer at abstracting the gist or the rules associated with it. "
Matthew Walker
Sleep
Great
Details
" If you look at how humans tend to want to sleep, it seems to be either, you know, sort of a monophasic way or at least a biphasic way, where there's, perhaps, a long bout during the night and then maybe a siesta-like pattern during the day. "
Matthew Walker
Sleep
Look
Long
" If sleep does not provide a remarkable set of benefits, then it's the biggest mistake the evolutionary process has ever made. "
Matthew Walker
Sleep
Benefits
Mistake