Definition

Noun: A sleep disorder is a medical condition characterized by a disturbance in the normal pattern, quality, or timing of sleep. This disturbance is significant enough to cause distress or impair a person's ability to function during the day.

Usage

The term "sleep disorder" is used to classify a range of specific conditions that negatively affect sleep. It is a formal, clinical term commonly used in medical, psychological, and general health contexts. - It is typically modified by an adjective to specify the type (e.g., a common sleep disorder, a serious sleep disorder). - It can be the subject or object of a sentence.

Examples

• As a subject:
  • A sleep disorder can have a major impact on your overall health.
  • His sleep disorder was finally diagnosed as sleep apnea.
• As an object:
  • The doctor specializes in treating various sleep disorders.
  • Chronic insomnia is a well-known sleep disorder.

Advanced Usage

• "underlying sleep disorder": Refers to a sleep disorder that is the root cause of other symptoms but may not be immediately obvious.
  • Her daytime fatigue suggested an underlying sleep disorder.
• "sleep disorder clinic/center": A specialized medical facility for the diagnosis and treatment of sleep disorders.
  • He was referred to a sleep disorder clinic for an overnight study.

Variants and Related Words

• Sleep disturbance: A broader, sometimes less clinical term for any problem that interrupts sleep. A sleep disorder is a type of sleep disturbance.
• Insomnia: A specific sleep disorder involving persistent difficulty falling or staying asleep.
• Sleep apnea: A specific sleep disorder characterized by pauses in breathing during sleep.
• Parasomnia: A category of sleep disorders involving abnormal movements, behaviors, emotions, or perceptions during sleep (e.g., sleepwalking).

Synonyms

• Dyssomnia: A technical term for disorders that cause difficulty falling or staying asleep, or excessive sleepiness.
• Sleep pathology: A formal, clinical synonym.

Related Phrases

• "suffer from a sleep disorder": To be affected by a sleep disorder.
  • It is estimated that millions of people suffer from a sleep disorder.
• "diagnosed with a sleep disorder": To have a sleep disorder identified by a medical professional.
  • After the tests, she was diagnosed with a sleep disorder.

Noun

1. a disturbance of the normal sleep pattern