Nightmares Glossary of Terms

The following are health and medical definitions of terms that appear in the Nightmares article.

Antidepressants: Anything, and especially a drug, used to prevent or treat depression.

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

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

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Cognitive-behavioral therapy: See: Cognitive therapy.

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

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Depression: An illness that involves the body, mood, and thoughts and that affects the way...

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Family history: The family structure and relationships within the family, including inform...

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Febrile: Feverish.

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

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Hypnosis: A part of healing from ancient times. The induction of trance states and the use...

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

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Lucid dreaming: The process of being aware that one is dreaming. Some researchers believe ...

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Post-traumatic stress: An anxiety disorder that develops in some individuals who have had...

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Post-traumatic stress disorder: A common anxiety disorder that develops after exposure to ...

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Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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Psychotherapy: The treatment of a behavior disorders, mental illness, or any other conditi...

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

Sleep: The body's rest cycle.

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

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Statins: A class of drugs that lower cholesterol.

Stress: In a medical or biological context stress is a physical, mental, or emotional fact...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

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

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