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Wednesday, November, 11, 2009

Cortisol And Circadian Rhythm

Health Encyclopedia: Insomnia Causes Of Chronic Insomnia

Causes of Chronic Insomnia


Sleep problems seem to run in families. About 35% of people with insomnia have a family history of insomnia, with the mother being the most commonly affected family member. Still, because so many factors are involved in insomnia, a genetic component is difficult to define.

Brain Chemicals and Hormones Affecting Chronic Insomnia

Abnormal levels of certain brain chemicals have been observed in some people with chronic insomnia.

  • Melatonin. Low levels of melatonin, the hormone...
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Expert & Community Posts

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I've Got Rhythm, I've Got Rheumatoid Arthritis
By Mark Borigini, M.D. , Health Expert

...counter this onslaught of TNF and IL-6, by releasing cortisol, the body's natural... Read more »

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Why We Sleep - and Why We Don't
By Allen Blaivas, M.D. , Health Expert

...stimulate increase activity to be released (i.e., cortisol).  In response to dark, the SCN... Read more »

5868_8642
Little Changes, Big Difference - Part 4: Daily Cycles of Insulin Efficiency
By Kelsey Bonilla , Health Expert

Over the past few weeks, Kelsey's implemented a system of working smarter, rather than harder, to... Read more »

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Heart Disease Sufferers Should Not Trust Fasting Blood Sugar Results
By HeartHawk , Health Expert

...several hours after eating.  Theories suggest morning cortisol levels might be a factor.Eat... Read more »

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Author has Rare Sleep Disorder
By Florence Cardinal , Health Expert

George Dawes Green is an author of thrillers including, in 1995, "The Juror" and, in 2009,... Read more »

Health Guide

Sleep Part 1: Mastering the Master Clock
...Illness: Bipolar Disorders and Recurrent Depression.” Chapter 16 is devoted exclusively to “Sleep and Circadian Rhythms.”The authors make clear that although all of us have the equivalent of... Read more »
Causes of Bipolar Disorder
...in bipolar disorder, as detected by use of imaging scans and other tests, include:Oversecretion of cortisol, a stress hormoneExcessive influx of calcium into brain cellsAbnormal hyperactivity in... Read more »
Headaches: Cluster: Causes
...icon to see an image of the hypothalamus.Nerve clusters that regulate the body's biologic rhythms (its circadian rhythms)Serotonin and norepinephrine. These are neurotransmitters (chemical... Read more »
Chronic Fatigue Syndrome: Causes
...of cortisol deficiency and lead to physical and psychological symptoms in people with CFS.Disturbed Circadian Rhythms. Evidence suggests that in certain patients, CFS is a disorder of the... Read more »
Fibromyalgia: Causes
...measures of troubled sleep, however, such as levels of the hormone melatonin, which helps to regulate circadian rhythms and the sleep-wake cycle, appear to be normal in most fibromyalgia... Read more »

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