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May 23, 2013


Sleep and Sleep Disorders in Children Glossary of Terms

The following are health and medical definitions of terms that appear in the Sleep and Sleep Disorders in Children article.

Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness th...

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ADHD: Attention deficit hyperactivity disorder.

Airway: The path that air follows to get into and out of the lungs. The mouth and nose are...

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Anxiety: A feeling of apprehension and fear, characterized by physical symptoms such as pa...

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Apnea: The absence of breathing (respiration).

Arms: An appendage in anatomy and in clinical trials. See: Arm.

Attention deficit hyperactivity disorder: A disorder in which a person is unable to contro...

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Bedwetting: Involuntary urination in bed. Bedwetting is called "enuresis," from the Gree...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Breathing: The process of respiration, during which air is inhaled into the lungs through ...

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Caffeine: A stimulant compound found naturally in coffee, tea, cocoa (chocolate), and kola...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Contrast: Short for "contrast media." Contrast media are X-ray dyes used to provide contra...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Dry mouth: The condition of not having enough saliva to keep the mouth wet. This is due to...

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ENT: 1. Abbreviation for ears, nose and throat. A field of medicine also called ot...

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Excessive daytime sleepiness: A neurological disorder in which there is a sudden recurrent...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Hygiene: The science of preventive medicine and the preservation of health. Also commonly ...

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Hyperactivity: A higher than normal level of activity. An organ can be described as hyper...

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Incidence: The frequency with which something, such as a disease or trait, appears in a pa...

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Insomnia: The perception or complaint of inadequate or poor-quality sleep due to a number ...

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Intervention: The act of intervening, interfering or interceding with the intent of modify...

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Limb: An arm or a leg.

Memory: 1. The ability to recover information about past events or knowledge. ...

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Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

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Myoclonus: A condition of abnormal contraction of muscles or portions of muscles.

Narcolepsy: A neurological disorder that is marked by the recurrent, sudden, uncontrollabl...

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Obstructive sleep apnea (OSA): Sleep apnea is a breathing disorder characterized by brief ...

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Onset: In medicine, the first appearance of the signs or symptoms of an illness as, for ex...

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Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

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Parasomnia: A sleep disorder in which odd or dangerous events occur that intrude on sleep....

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Pathology: The study of disease. Pathology has been defined as "that branch of medicine...

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Physiologic: Something that is normal, that is due neither to anything pathologic nor sign...

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Polysomnography: Continuous recording of specific physiologic variables during sleep. Poly...

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Prepubertal: Before puberty, the period during which secondary sex characteristics start t...

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Prevalence: The proportion of individuals in a population having a disease or characterist...

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Primary care: A patient's main source for regular medical care, ideally providing continui...

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Random: Determined solely by chance.

Recurrent: Appearing or occurring again. For example, a recurrent fever is a fever that ha...

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Referral: The recommendation of a medical or paramedical professional. If you get a refer...

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REM sleep: REM sleep is the portion of sleep when there are rapid eye movements (REMs).

Resistance: Opposition to something, or the ability to withstand something. For example, s...

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Restless legs: See: Restless leg syndrome.

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Sleep: The body's rest cycle.

Sleep apnea: The temporary stoppage of breathing during sleep, often resulting in daytime ...

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Sleep disorders: Any disorder that affects, disrupts, or involves sleep. The most common...

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Sleep hygiene: A series of practices and non-medical treatments for insomnia. Sleep hygien...

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Sleep talking: Talking in one's sleep is considered a normal phenomenon that is of no medi...

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Sleepwalking: Purposeful moving, usually but not always including walking, while in a deep...

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Snoring: A rough rattling noise made on inspiration during sleep by vibration of the soft ...

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Somnambulism: Sleepwalking. Purposeful moving, usually but not always including walking, ...

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Strain: 1. An injury to a tendon or muscle resulting from overuse or trauma. 2. A heredita...

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Syndrome: A combination of symptoms and signs that together represent a disease process.

Throat: The throat is the anterior (front) portion of the neck beginning at the back of th...

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Trigger: Something that either sets off a disease in people who are genetically predispose...

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