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

Circadian rhythm sleep disorders

Health care; Sleep disorder

Disorders that are related to the timing of sleep within the 24-hour day. Some of these disorders are influenced by the timing of the sleep period that is under the individual's control (e.g., shift ...

Fatigue

Health care; Sleep disorder

Feeling of tiredness, weariness or lack or energy usually associated with lower performance (physical or mental). Fatigue is different from drowsiness. In general, drowsiness is feeling the need to ...

Antagonist

Health care; Sleep disorder

Drug the binds but causes no functional effect; blocks the action of the natural ligand or agonist drug.

Agonist

Health care; Sleep disorder

Drug that binds to and causes a functional effect identical in quality and quantity to the endogenous ligand.

Somniphobia

Health care; Sleep disorder

Fear of sleep, fear of falling asleep. Possibly related to anxiety disorder

Parasomnias

Health care; Sleep disorder

Sleep disorders that include sleepwalking, sleep talking, and sleep terrors.

Orexin

Health care; Sleep disorder

Protein neurotransmitter or neuropeptide active in the sleep cycle and in appetite. Peptide family comprised of two peptides, orexin-A (hypocretin-1) and orexin-B (hypocretin-2). Subject of ...