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(17 reviews)
Author: Till Roenneberg
ISBN : 0674065859
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Format: PDF
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Early birds and night owls are born, not made. Sleep patterns may be the most obvious manifestation of the highly individualized biological clocks we inherit, but these clocks also regulate bodily functions from digestion to hormone levels to cognition. Living at odds with our internal timepieces, Till Roenneberg shows, can make us chronically sleep deprived and more likely to smoke, gain weight, feel depressed, fall ill, and fail geometry. By understanding and respecting our internal time, we can live better.
Internal Time combines storytelling with accessible science tutorials to explain how our internal clocks work-for example, why morning classes are so unpopular and why "lazy" adolescents are wise to avoid them. We learn why the constant twilight of our largely indoor lives makes us dependent on alarm clocks and tired, and why social demands and work schedules lead to a social jet lag that compromises our daily functioning.
Many of the factors that make us early or late "chronotypes" are beyond our control, but that doesn't make us powerless. Roenneberg recommends that the best way to sync our internal time with our external environment and feel better is to get more sunlight. Such simple steps as cycling to work and eating breakfast outside may be the tickets to a good night's sleep, better overall health, and less grouchiness in the morning.
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- Hardcover: 288 pages
- Publisher: Harvard University Press; Tra edition (May 30, 2012)
- Language: German
- ISBN-10: 0674065859
- ISBN-13: 978-0674065857
- Product Dimensions: 1 x 5.8 x 8.5 inches
- Shipping Weight: 1 pounds (View shipping rates and policies)
Free Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired
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First off, I am not a subject matter expert in the realm of "chronobiology". But what Ronneberg describes in this short and very readable introduction to our internal body clocks was my life for the last third of my 30-year military career. As a result, while I can't recommend the book from the researcher angle, I can highly recommend the book from the subject angle. In short, I'm a fan and HIGHLY recommend this book.
Bottom line, Ronneberg's thesis is this: our body clock(s) is(are) real, performs(perform) very important calibrating functions and messing with it(them) has very serious consequences. And from personal experience, I would have to agree. I violated pretty much every "rule" in his book and I wound up paying a very heavy price. Fortunately (though it didn't seem so at the time), mandatory retirement arrived and an inability to go back to work in a second career provided an opportunity to get my clock(s) resynchronized (though not having yet read the book, I had no idea what I was doing other than following what my body was telling me I needed to do).
So what did I do wrong? Well, my work generally entailed long hours in a windowless, fluorescent-lighted, office (no connection with the natural light/dark cycle); too-often, middle-of-the-night phone calls (interrupted sleep cycles); frequent trips across up to 8-10 timezones where I was expected to be at work "bright & early" the day after travelling (unending two-way jet lag); and meetings/events at all hours of the day lasting anywhere from one hour to all day ("social jet lag").
Tick-Tock
Internal Time by Till Roennberg is a book about an issue that I have had issues with in the past and that is insomnia. Roennberg explains this idea of social jetlag, which tells us that our sleeping patterns are not solely responsible for our laziness and poor critical thinking. In fact, Roennberg tries to convince his readers that our laziness and poor crticial thinking are a result of a disconnect between our three social clocks. Roennberg argues that these three social clocks determine some of our everyday behaviors and he supports this argument by presenting his research. His method of presenting his reserach proved to be very effective because his explanations are structured and organized. If I had to rate this novel from 1 to 5, I would give this book a rating of 4.5 because Roennberg's research and explanations are organized throughout the entire novel. Internal Time is a great informational book about our biological clock and how it is affected by our everyday life.
Our three social clocks are suprisingly the reason for our laziness and poor critical thinking. If you put yourself in the shoes of the typical college parent, you would want your child to get atleast eight hours of sleep because you believe that amount of sleep will allow your child to perform at his or her highest level. Roennberg argues against this stereotype in this book by explaining the research he has done on many different people, including college students. The most important research, provided by Roennberg, which proves that our social clocks are responsible for our laziness and poor critical thinking was the research done on the life of a pilot.