Take a Nap! Change Your Life.


A scientifically based breakthrough program, TAKE A NAP! CHANGE YOUR LIFE teaches you how to plan the optimum nap: when to take it, how long to sleep, how not to wake up groggy— and how to neutralize the voice in your head that tells you napping is a sign of laziness. It’s not. Napping is a sign of taking control of your life. It increases alertness • Boosts creativity • Reduces stress • Enhances libido • Aids in weight loss • Keeps you looking younger • Reduces the risk of heart attack • Elevates mood • ...

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Take a Nap! Change Your Life.

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A scientifically based breakthrough program, TAKE A NAP! CHANGE YOUR LIFE teaches you how to plan the optimum nap: when to take it, how long to sleep, how not to wake up groggy— and how to neutralize the voice in your head that tells you napping is a sign of laziness. It’s not. Napping is a sign of taking control of your life. It increases alertness • Boosts creativity • Reduces stress • Enhances libido • Aids in weight loss • Keeps you looking younger • Reduces the risk of heart attack • Elevates mood • Strengthens memory • Clarifies decision-making • Improves productivity. And feels great.

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What People Are Saying

From the Publisher
“A wake-up call! Dr. Sara Mednick’s groundbreaking research provides compelling evidence that a midday snooze provides incredible physiological, psychological and cognitive benefits, and is the basis for her easy-to-follow program. If you want to be fully alert, energetic and in a good mood all day long, you’ll need to Take a Nap.”—Dr. James B. Maas, Cornell University; author, New York Times bestseller Power Sleep
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Product Details

  • ISBN-13: 9780761142904
  • Publisher: Workman Publishing Company, Inc.
  • Publication date: 12/30/2006
  • Pages: 141
  • Sales rank: 453,769
  • Product dimensions: 6.08 (w) x 9.00 (h) x 0.50 (d)

Meet the Author

Mark Ehrman is a freelance writer whose work appears regularly in The Los Angeles Times, Playboy, InStyle, and many other newspapers and magazines.

Sara Mednick, Ph.D., is a research scientist at the Salk Institute in La Jolla, California. She is a consultant for the military and private business, and her napping research has been covered by CNN, Reuters, NPR, The Economist, The Wall Street Journal, The New York Times, Real Simple, and Men’s Journal. She has a Ph.D. in psychology from Harvard and lives in San Diego.

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Read an Excerpt

The new nap: not your grandfather’s siesta

Imagine yourself in a perfect world. Your mood is positive. Your brain is operating at maximum efficiency. Your body feels healthy, energetic and agile. You have enough time to complete all the tasks at hand and still enjoy the company of family and friends. Every one of your goals is attainable.

In this wonderful land of your imagination, you enjoy a well-balanced diet, get enough exercise, breathe clean air and spend quality time with friends and family. What you aren’t doing is walking around tired, right?

So ask yourself, “If I inhabited such a place, how much would I sleep?” Stumped? You’re not alone. Most people don’t get further than “a whole lot more than I’m sleeping now.” After all, how do you remove the pressures of bills, job and relationships to create an oasis where you can even begin to envision what such a perfect world would involve?

Lucky for you, scientists have already resolved this issue. Our results back up what historians, anthropologists, artists and numerous brilliant leaders and thinkers have been telling their contemporaries throughout the ages. In a perfect world, all humans, including you, would nap.

It is written . . . in our DNA

Let’s look at the rest of the animal kingdom. Do any other species try to get all their sleep in one long stretch? No. They’re all multiphasic, meaning that they have many phases of sleep. Homo sapiens (our modern industrialized variety, anyway) stand alone in attempting to satisfy the need for sleep in one phase. And even that distinction is a relatively recent development. For most of our history, a rest during the day was considered as necessary a component of human existence as sleeping at night. As A. Roger Ekirch,one of the few historians to study sleep, put it, “Napping is a tool as old as time itself.”

Does this mean that cave people napped? Well, little is known about sleep/wake habits back in the Stone Age, but the best guess is that sleep occurred throughout the day and night. Looking at contemporary primitive cultures, we find that the Gebusi of Papua New Guinea engage in multiphasic sleep. It makes sense that primitive peoples would sleep in short periods, since someone always has to keep watch for predators, but most of us no longer have to lose sleep over lions and tigers. With the advent of civilization, our sleep consolidated into fewer episodes, and eventually we fell into what scientists have come to realize is our fundamental, internally programmed pattern: biphasic sleep composed of one long period during the night and a short period in the middle of the day.

By the first century B.C., the Romans had divided their day into periods designated for specific activities, such as prayer, meals and rest. Midday became known as sexta, as in the sixth hour (noon by their way of counting), a time when everyone would go to bed. The word has survived in the familiar term siesta.

But hard scientific evidence that the nap is woven into our DNA didn’t arrive until the modern era, when Dr. Jurgen Aschoff of the Max Planck Institute in Germany carried out a study that can only be described as peculiar. In the 1950s, Dr. Aschoff refurbished some abandoned World War II bunkers with all the amenities of small one-bedroom flats, except that they had no windows, clocks, televisions, radios or newspapers—no way to tell the date or time or even whether it was day or night. He then paid volunteers to live in them for a period of weeks, during which time he monitored their temperature, blood pressure and various other biological indicators. After a short transitional phase, subjects generally experienced one large dip in energy in the middle of the “night,” when they would sleep six to seven hours; roughly 12 hours later, a mini-dip would drive them back to bed for a shorter period of sleep.

In other words, when people are forced to follow their own internal imperatives, the nap quickly reasserts its rightful place in the behavioral scheme. Subsequent studies proved this to be the case even among people who believed themselves incapable of napping, as well as in circumstances where they were specifically instructed not to nap!

The unseen hand guiding sleep and waking is our so-called biological clock or circadian (circa = around, dia = day) rhythm. This fundamental property of the human circuitry regulates sleep as well as body temperature, heart rate, growth hormone and urine production. But it doesn’t just govern human biology. All living things— from a single blood cell to a two-ton elephant—dance to the beat tapped out by their circadian drum.

While Dr. Aschoff arrived at his discovery by accident, like a Christopher Columbus of human biology, University of Pennsylvania professor Dr. David Dinges was the first scientist to pose the direct question “Is napping natural?” In 1989 he brought together an impressive collection of sleep experts to examine napping across life span, occupation, culture and even species. A consensus emerged that not only is napping beneficial for alertness, mental ability and overall health, but our brains are actually programmed for it. “In examining sleep’s orphan,” Dr. Dinges concluded, “we found a lost progeny.”

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Table of Contents


Introduction: The Couch at Harvard xi

Part One: The Basics
Chapter 1. The new nap: not your grandfather’s siesta 3
It is written . . . in our DNA 4
The siesta is dead. Long live the nap! 7

Chapter 2. Fatigue: a hidden epidemic 10
The walking tired 11
Asleep on the job: a threat to safety 12
Warning: Losing sleep is hazardous to your health 16

Chapter 3. The nap manifesto: what napping can do for you 23

Part Two: The Principles

Chapter 4. The stages of sleep: building blocks of the nap 31
Waves and scans: the sleeping brain revealed 32
The sleep cycle 33
To be continued . . . 44

Chapter 5. Dissecting sleep: making a nap work for you 45
The shadow cycles 46
Stage 2: the constant companion 50
Napping vs. nighttime sleep 51

Chapter 6. Optimized Napping: the secret formula 55
The lark and the owl 56
A nap to call your own 59
How to use the Nap Wheel 61

Part Three: The Program

Chapter 7. Your sleep profile: getting to know yourself 65
How tired are you? 66
Checking your calendar 67
Different naps for different folks 75

Chapter 8. Nap time: it’s easier than you think 85
It’s about time 86
Clearing the way 86
Free your mind and your nap will follow 95
Okay, you’re cleared to nap! 97
Stay motivated! 102

Chapter 9. Extreme napping: exploring the outer limits 103
Ü berman to the rescue? 104
Napping for “normal” emergencies 109
Napping across time zones 113

Chapter 10. A nap-positive society 117
Workers of the world, nap! 119
Power points of workplace napping 122

Glossary 127
The scientific formula for creating the precise nap to suit your needs 139

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