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.

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Sleep disorder

Rebound insomnia

Health care; Sleep disorder

Sleep difficulties after discontinuing use of a hypnotic medication.

Nap

Health care; Sleep disorder

Short period of sleep at a time separate from the major sleep period, especially during the day.

Sleep maintenance

Health care; Sleep disorder

The ability to remain asleep for a long period of time

Light sleep

Health care; Sleep disorder

Term used in clincial practise to describe non-REM stage 1, and sometimes, stage 2 sleep. People in light sleep drift in and out of sleep and can be awakened easily. Eyes move very slowly and muscle ...

Cytoplasm

Health care; Sleep disorder

The cytoplasm is the gel-like substance or protoplasm outside a cell nucleus. It is within the cytoplasm that most cellular activities occur, such as many metabolic pathways including glycolysis, and ...

Homeostasis

Health care; Sleep disorder

The ability or tendency of an organism or cell to maintain internal equilibrium by adjusting its internal processes. From the Greek "to remain the same".