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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
Delta waves
Health care; Sleep disorder
Brain waves with a frequency of 1 to 3 hertz that emanate from the forward portion of the brain during deep sleep in normal adults.
Endocrine system
Health care; Sleep disorder
The system of ductless glands in the body that secrete different hormones directly into the bloodstream to regulate the body. The endocrine system is in contrast to the exocrine system, which ...
Suprachiasmatic nucleus (SCN)
Health care; Sleep disorder
The part of the brain (in the hypothalamus) that contains the biological clock for the circadian cycle.
Sleep
Health care; Sleep disorder
The natural periodic suspension of consciousness during which the powers of the body are restored, characterised by lessened consciousness and slowed-down metabolism
Sleep paralysis
Health care; Sleep disorder
The temporary inability to talk or move when falling asleep or waking up. It occurs normally during REM sleep.
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)
Hypothalamus
Health care; Sleep disorder
The part of the brain that lies below the thalamus and regulates body temperature and metabolic processes.