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

uvulopalatopharyngoplasty (UPPP)

Health care; Sleep disorder

An operation on the throat to treat severe snoring and sleep apnea. Soft tissue on the back of the throat and soft palate (the uvula) is removed. The tonsils and possibly other excess tissue may also ...

endothermic animals

Health care; Sleep disorder

Animals that expend energy to maintain body temperature.

obstructive apnea

Health care; Sleep disorder

Apnea due to a mechanical obstruction, such as a very large uvula or tongue in the back of the mouth, or a problem with the trachea.

arousal

Health care; Sleep disorder

Awakening from sleep. Sleep scientists sometimes use this term to refer to a change from a "deeper" stage of non-REM sleep to a "lighter" stage.

nocturnal enuresis

Health care; Sleep disorder

Bedwetting. Urinating during sleep.

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.

sedatives

Health care; Sleep disorder

Chemicals (sometimes medicines) tending to calm, and reduce nervousness or excitement and foster sleep. Many sleep medicines are sedatives. Sometimes sedation is an undesired side effect of drugs ...