Sleep disorder

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

REM latency

Health care; Sleep disorder

Period of time from sleep onset to the first appearance REM.

natural short sleeper

Health care; Sleep disorder

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. Although there is ...

sleep debt

Health care; Sleep disorder

Physiological state that results from recurrent sleep deprivation occurs over time. When an individual does not experience sufficient restorative daily sleep required to maintain a sense of feeling ...

rheostasis

Health care; Sleep disorder

Physiological tendency to remain constant.

circadian

Health care; Sleep disorder

Popularly referred to as body clock, the term refers to behaviors exhibiting a periodicity of 24 hours. A circadian rhythm is an endogenously driven (non-reliant on environmental cues), roughly ...