TTC – Secrets of Sleep Science From Dreams to Disorders

$39,00

Published on: May 12, 2021
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For many of us, sleep is one of life’s greatest pleasures. For others, sleep represents a nightly struggle to fall asleep, stay asleep, rest comfortably, and even remain safe until morning. But what is sleep exactly, and why must we do it every night?
Despite the fact that we spend about one-third of our lives in slumber, scientists still aren’t completely certain. Finding the function of sleep is one of the biggest-and most intriguing-challenges facing biologists today.
What is clear: Sleep is as essential to life as food and water. It impacts virtually every aspect of our lives, from our mood to the functioning of our organs, and it contributes to learning and memory, better performance at work, and a more healthy and productive wakeful life overall.
A lack of sleep impairs your cognitive abilities, exacerbates or leads to psychological problems, and leaves you vulnerable to a long list of chronic medical issues. And the consequences of too little sleep extend beyond the personal. From causing auto accidents to factoring into major disasters such as the Exxon Valdez oil spill, sleep deprivation imposes a heavy toll on society.
Clearly, there’s tremendous value in studying sleep that goes far beyond mere fascination. Educating yourself on the subject may, without exaggeration, save your life or the life of someone you love. The frightening reality is that dire consequences can develop after only a few days of inadequate sleep.
Secrets of Sleep Science: From Dreams to Disorders is your opportunity to access groundbreaking research on the complex and enigmatic phenomenon of sleep, straight from a scientist at the forefront of the field. In these 24 engrossing lectures, award-winning Stanford University professor and researcher H. Craig Heller reveals how far neuroscientists and biologists have come on their quest to pinpoint the principal functions of sleep-which remain a matter of intense debate.
Understand Why Sleep Debts Must Be Paid
Early on in this course, you’ll learn that your brain forces you to fall asleep to repay an accumulated sleep deficit-no matter how dangerous the circumstances. You’ll also learn the myriad ways sleep loss is associated with increased risk for serious health problems such as
obesity,
diabetes,
depression, and
reduced resistance to infectious disease.
Backed by compelling scientific evidence, Professor Heller illuminates what happens in the sleeping brain all the way down to the cellular and molecular level. You’ll investigate what biological changes may be produced by wakefulness and reversed during sleep, in addition to
the catastrophic ways our circadian clocks can fail;
coping mechanisms for jet lag, shift work, and insomnia;
disorders such as sleep apnea, narcolepsy, and restless leg syndrome;
parasomnias such as sleepwalking, night terrors, and sleep-related eating disorder; and
how proper ‘sleep hygiene’ can help you improve your own quality of sleep.
You’ll also examine the critical role sleep plays in our capacity to form memories, and you’ll encounter astounding animal research that ranges from studies of aquatic mammals that sleep with half of their brains at a time to the deep sleep of hibernation in squirrels and bears.
Discover the Architecture of Sleep
Widespread interest in sleep goes back to ancient times, yet the study of sleep is relatively new. In fact, the first insights into the physiology of sleep didn’t occur until 1929, when the electroencephalograph was developed to monitor patterns of electrical activity in the brain.
As Professor Heller explains, these EEG recordings allowed scientists to identify REM (rapid eye movement) and non-REM states that are the defining features of sleep. You’ll explore both REM and non-REM sleep in depth, including how they cycle throughout the night.
Non-REM sleep EEG recordings show a high-amplitude, slow-wave pattern indicating that large populations of neurons are firing

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