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Glossary of sleep-related terms (3462 words) |
 | Person who habitually and spontaneously sleeps substantially less in a 24-hour period than is expected for a person in his or her age group, and does not have excessive sleepiness. |
| Incomplete arousal from slow wave sleep accompanied by a state of intense fear and agitation sometimes experienced, especially by children, on awakening from a stage of sleep not associated with dreaming but characterized by extremely vivid hallucinations. |
| sleep disorder characterized by a deep creeping, or crawling sensation in the legs that tends to occur when an individual is not moving. |
| Sleep Definitions (8449 words) |
| Sleep Disorders - A broad range of illnesses arising from many causes, including; dysfunctional sleep mechanisms, abnormalities in physiological functions during sleep, abnormalities of the biological clock, and sleep disturbances that are induced by external factors. |
| Sleep Stage Demarcation - The significant polysomnographic characteristics that distinguish the boundaries of the sleep stages. |
| An example is the timing of sleep onset with respect to body temperature; sleep onset tends to occur at the same time of each temperature cycle, usually close to the minimum temperature. |
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