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Sleep Debt
[Translate] Sleep debt is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental and/or physical fatigue. There are presumed to be two kinds of sleep debt: caused by partial sleep deprivation coused by total sleep deprivation Partial sleep deprivation occurs when a person or a lab animal sleeps [...]
Continue reading...Animals Sleeping
19. September 2009
[Translate] How long animals sleep? Animals need diffeent amounts of sleep a day, ranging from 2 hours a day for elephants to 20 hours for dolphines Generally, as body size increases the required sleeping time decreases Among the family of cats and dog, domestic cats and dogs do not make their sleep as a single [...]
Continue reading...Sleep & Ageing
7. September 2009
[Translate] By J. Semo Advances in science and social evolution are altering our internal clocks. We in the western world enjoy average life expectancies of over 80 years and it is anticipated that this average will reach 100 years in the near future. By constantly moving nature’s “signposts”, are we not risking disruption to our [...]
Continue reading...Sleep Forum
3. August 2009
[Translate] Sleep Forum: The following links will take you directly to Sleep Forum of MasterYourSleep.com. Please register (it is secure and it is free) to communicate to other people, to ask for immediate help, or Ask the Doctor a question. Site Map: If you need to educate yourself on the subject of Sleep and Sleep Disorders, please use [...]
Continue reading...Sleep Research
24. July 2009
[Translate] A Brief History of Sleep Research The history of sleep research started In 1913 when Henri Pieron, a French Scientist, wrote a book called “Le probleme physiologique du sommeil.” This book was the first where sleep was analyzed from a physiological perspective. Since its publication, this is work book is treated as the beginning [...]
Continue reading...Immune System
13. May 2009
[Translate] Sleep and Immune System Sleep and sleep-related problems play a role in a large number of human disorders. Generally speaking, human disorders, which primarily related to sleep and sleep problems, are so many that they affect almost every field of medicine. Let me give you an example: stroke, (that is a sudden blockage or [...]
Continue reading...Circadian Rhythms
11. May 2009
[Translate] Sleep and Circadian Rhythms Terminology Circadian – Latin for “around a day” Circadian rhythms – regular changes in mental and physical patterns occurring in the course of a day SCN, or suprachiasmatic nucleus – internal “time clock” Hypothalamus – a portion of the brain that contains a number of small nuclei of functions Retina [...]
Continue reading...Rapid Eye Movement (REM) Sleep
8. May 2009
[Translate] Dreaming During REM Sleep It is a norm for all of us to have dreams for as long as 2 hours or more each night. Still now the science community doesn’t know much about how or why we dream. Sigmund Freud, the father of psychoanalysis, who made significant impact on the field of psychology [...]
Continue reading...Introduction to Sleep Part II
6. May 2009
[Translate] What Does Sleep Do For Us? You can spend thousands of hours by reading books on sleep, scientific magazines, or just surfing the Internet on this subject. The final result will be the same: every sleep researchers are still at the beginning of this exploration trying to understand exactly why people require sleep. All [...]
Continue reading...Introduction to Sleep Part I
2. May 2009
[Translate] Sleep and wakefulness are controlled by different signals in the brain, called neurotransmitters. Other components, such as foods and medicines change the ratio between those signals. This ratio makes the difference when we feel alert or drowsy, as well as how good our sleep is. Certain parts of the brain parts of the brain are [...]
Continue reading...What is Sleep
1. May 2009
[Translate] Common opinion of people prior to the first half of 20th century was an idea of sleep as a useless part of our daily lives. Modern science tells us that our brain is actually very active during sleep. In addition, the amount of sleep we have reflects on our daily functionality and our mental [...]
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Sleep Treatment
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2. October 2009
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