narcolepsy

/'nɑ:kəlepsi/

Thân thiện

A student with narcolepsy falls asleep at his desk during class.

Definition

1. Noun:
   • A chronic neurological disorder: Narcolepsy is a long-term condition affecting the brain's ability to control sleep-wake cycles.
   • Characterized by sudden sleep attacks: Its primary feature is overwhelming daytime drowsiness and sudden, uncontrollable episodes of falling asleep during normal waking hours.

Usage Examples

• Noun:
  • Her narcolepsy makes it dangerous for her to drive long distances.
  • The doctor diagnosed him with narcolepsy after he described falling asleep during meetings.

Advanced Usage

• Medical context: Narcolepsy is often discussed with its associated symptoms, such as cataplexy (sudden loss of muscle tone), sleep paralysis, and hallucinations.
  • Narcolepsy with cataplexy is a distinct subtype of the disorder.
• In formal or descriptive writing: Used to describe a character trait or medical condition in narratives.
  • The novel's protagonist struggles with narcolepsy, adding a layer of complexity to his daily life.

Variants and Related Words

• Narcoleptic (adj): Relating to or suffering from narcolepsy.
  • He experiences narcoleptic episodes several times a day.
• Narcoleptic (n): A person who has narcolepsy.
  • As a narcoleptic, she has learned to manage her condition with medication and scheduled naps.

Synonyms

• Sleep disorder: A general term for conditions that affect sleep patterns.
• Hypersomnia: A condition of excessive sleepiness, which can be a symptom of narcolepsy.

Related Phrases

• Sleep attack: A common term for the sudden onset of sleep in narcolepsy.
  • He felt a sleep attack coming on and quickly found a safe place to sit.

Related Idioms

Học thuật

Noun

1. a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep
   • he believes that narcolepsy is attributable to an inability to suppress REM sleep during waking