Cluster Headaches and Circadian Rhythms
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Cluster Headaches and Circadian rhythms
Circadian rhythms are regular changes in mental and physical characteristics that occur in the course of a day. Most circadian rhythms are controlled by a part of the brain called the suprachiasmatic nucleus or SCN, is actually a pair of pinhead-sized brain structures that together contain about 20,000 neurons.
The tendency of Cluster Headaches suggests they could be caused by irregularities in the body’s circadian rhythms, which are controlled by the brain and a family of hormones that regulate the sleep-wake cycle.
Hypothalamus
Pituitary
gland
Suprachiasmatic
Nucleus (SCN)
Output Rhythms
Physiology
Behavior
Source: U.S. Department of Health and Human Services, National Institutes of Health, National Institute of Neurological Disorders and Stroke. www.ninds.nih.gov
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