Cortisol And Circadian Rhythm
Health Encyclopedia: Insomnia Causes Of Chronic Insomnia
- Insomnia - Causes of Chronic Insomnia
- Highlights
- Introduction
- Causes of Short-Term or Transient Insomnia
- Are You at Risk For Insomnia?
- Prognosis
- Diagnosis of 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...
Expert & Community Posts
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Health Guide
Sleep Part 1: Mastering the Master Clock
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...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 »Images
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