13 Terms
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Sleep disorder
The disturbance of normal sleep patterns caused by a broad range of illnesses, including dysfunctional sleep mechanisms, abnormalities in physiological functions during sleep, abnormalities of the biological clock, and sleep disturbances that are induced by factors extrinsic to the sleep process.
Industry: Health care
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Sleep disorder
non–rapid eye movement (NREM) sleep
Health care; Sleep disorder
The early phase of sleep with no rapid eye movement.
photoperiod
Health care; Sleep disorder
The light-dark or day-night cycle. The e period of time per day that an organism is exposed to daylight (or to artificial light)
sleep
Health care; Sleep disorder
The natural periodic suspension of consciousness during which the powers of the body are restored, characterized by lessened consciousness and slowed-down metabolism
frequency
Health care; Sleep disorder
The number of times a periodic process occurs per unit of time.
suprachiasmatic nucleus (SCN)
Health care; Sleep disorder
The part of the brain (in the hypothalamus) that contains the biological clock for the circadian cycle.
hypothalamus
Health care; Sleep disorder
The part of the brain that lies below the thalamus and regulates body temperature and metabolic processes.
thermoregulation
Health care; Sleep disorder
The process of regulating and maintenance of internal body temperature regardless of environmental temperature.
