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#131 Matthew Walker: The Power of Sleep | the Knowledge Project With Shane Parrish
The Knowledge Project with Shane Parrishpodwise.aiIndividuals fail to recognize how their perennial state of sleep deficiency has come to compromise their mental aptitude and physical vitality, including the slow accumulation of ill health.
Matthew Walker • Why We Sleep: Unlocking the Power of Sleep and Dreams

It was as though, without sleep, our brain reverts to a primitive pattern of uncontrolled reactivity.
Matthew Walker • Why We Sleep: Unlocking the Power of Sleep and Dreams
Matthew Walker’s book, Why We Sleep.
Mark Hyman M.D. • Young Forever: The Secrets to Living Your Longest, Healthiest Life
The more sleep spindles an individual obtained during the nap, the greater the restoration of their learning when they woke up.
Matthew Walker • Why We Sleep: Unlocking the Power of Sleep and Dreams
sleep swells concentrations of a hormone
Matthew Walker • Why We Sleep: The New Science of Sleep and Dreams
The more powerful and frequent an individual’s sleep spindles, the more resilient they are to external noises that would otherwise awaken the sleeper.
Matthew Walker • Why We Sleep: Unlocking the Power of Sleep and Dreams
Our default waking mode (and also during dreaming phases of sleep) is not a brain at rest, but what is known as mind wandering.