Canadian Medical Guide > Diseases > Nervous System Diseases > Chronobiology Disorders Terms and Definitions

Chronobiology Disorders

Medical Definition:	Disruptions of the rhythmic cycle of bodily functions or activities.
Also Called:	Circadian Rhythm Disorders,Psychogenic Inversion of Circadian Rhythm

Chronobiology Disorders Categories.

	Jet Lag Syndrome - A chronobiologic disorder resulting from rapid travel across a number of time zones, characterized by insomnia or hypersomnolence, fatigue, behavioral symptoms, headaches, and gastrointestinal disturbances. (From Cooper, Sleep, 1994, pp593-8)
	Sleep Disorders, Circadian Rhythm - Dyssomnias associated with disruption of the normal 24 hour sleep wake cycle secondary to travel (e.g., JET LAG SYNDROME), shift work, or other causes.

Chronobiology Disorders Medical Definitions and Terms

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