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Topic: Circadian rhythm disorders


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In the News (Fri 18 Dec 09)

  
  Encyclopedia :: encyclopedia : Circadian rhythm   (Site not responding. Last check: 2007-10-24)
Circadian rhythm is the name given to the roughly 24 hour cycles shown by physiological processes in plants and animals.
Circadian rhythms are important in determining the sleeping and feeding patterns of all animals, including humans.
Recently, evidence has emerged that circadian rhythms are found in many cells in the body--outside of the SCN "master clock." Liver cells, for example, appear to respond to feeding rather than light.
www.hallencyclopedia.com /Circadian_rhythm   (750 words)

  
 Circadian rhythm sleep disorder - Definition, Description, Causes and symptoms, Demographics, Diagnosis, Treatments, ...
Circadian rhythm sleep disorder is a persistent or recurring pattern of sleep disruption resulting either from an altered sleep-wake schedule or an inequality between a person's natural sleep-wake cycle and the sleep-related demands placed on him or her.
The delayed sleep phase type of circadian rhythm sleep disorder is marked by a delay of the sleep-wake cycle as it relates to the demands of society.
The unspecified type of circadian rhythm sleep disorder is characterized by a pattern of sleep-wake disturbance and circadian mismatch that is not due to the causes of the other three types.
www.minddisorders.com /Br-Del/Circadian-rhythm-sleep-disorder.html   (1779 words)

  
 Circadian rhythm Article, Circadianrhythm Information   (Site not responding. Last check: 2007-10-24)
The Circadian rhythm is a name given to the "internal body clock" that regulates the (roughly) 24 hour cycleof biological processes in animals and plants.
Circadian rhythms are important in determining the sleeping and feeding patterns ofall animals, including humans.
The Circadian "clock" in mammals is primarily located in the suprachiasmatic nucleus (SCN), a distinct group of cellslocated in the hypothalamus.
www.anoca.org /rhythms/scn/circadian_rhythm.html   (452 words)

  
 circadian rhythm   (Site not responding. Last check: 2007-10-24)
The '''Circadian rhythm''' is name given to the "internal body clock" that regulates the (roughly) 24 hour cycle of biological processes in animals and plants.
The formal study of this daily rhythm and other biological rhythms (such as seasonal ones) is called Chronobiology.
It has also been clearly established that the Circadian rhythm is rigidly linked to the light/dark cycle.
encyclopedia.mysleepcenter.com /circadian_rhythm.htm   (531 words)

  
 alcohol hangover and circadian rhythm   (Site not responding. Last check: 2007-10-24)
reaction to ethanol or its metabolites; and, circadian dysrhythmia induced by acute ethanol...
Older adults are prone to nocturnal sleep disturbance, of which disturbed circadian rhythm may be a component since it improves with nighttime administration of melatonin.
We have been told that we are the greatest option of places on the world wide web for alcohol hangover and circadian rhythm, topics associated with alcohol hangover and circadian rhythm, services for alcohol hangover and circadian rhythm, and all other needs involving or related to alcohol hangover and circadian rhythm.
www.getridofhangovers.com /alcoholhangoverandcircadianrhythm   (1537 words)

  
 MedlinePlus: Sleep Disorders
Narcolepsy (National Institute of Neurological Disorders and Stroke)
Narcolepsy (National Institute of Neurological Disorders and Stroke) - Short Summary
The primary NIH organization for research on Sleep Disorders is the National Heart, Lung, and Blood Institute
www.nlm.nih.gov /medlineplus/sleepdisorders.html   (420 words)

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