rapid eye movement

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rapid eye movement

A person's eyes move quickly beneath their eyelids during rapid eye movement sleep.

Definition

Noun: 1. A recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep: This is a specific stage of the sleep cycle characterized by quick, random movements of the eyes, increased brain activity, muscle paralysis, and is the period most associated with vivid dreaming.

Usage
  • Rapid eye movement is a scientific term used primarily in the fields of sleep science, psychology, and medicine.
  • It is often abbreviated as REM.
  • It is commonly used in phrases like "REM sleep" or the "REM stage" to describe this particular phase of sleep.
Examples
  • Noun:
    • Most dreaming occurs during rapid eye movement.
    • The sleep study showed that the patient entered rapid eye movement approximately 90 minutes after falling asleep.
    • A full sleep cycle includes both non-REM and rapid eye movement stages.
Advanced Usage
  • "REM sleep": The sleep period during which rapid eye movement occurs.
    • Interrupting REM sleep can lead to feelings of grogginess.
  • "REM rebound": The phenomenon where a person experiences increased duration and intensity of REM sleep after a period of REM deprivation.
    • After staying awake for two nights, he experienced significant REM rebound.
Variants and Related Words
  • REM (noun): The standard abbreviation for "rapid eye movement."
    • The baby spent a large portion of the night in REM.
  • Non-REM (noun): Refers to the collective sleep stages (N1, N2, N3) that are not characterized by rapid eye movement.
    • Deep, restorative sleep typically happens during non-REM stages.
Synonyms
  • REM sleep (noun): The sleep state itself.
  • Paradoxical sleep (noun): An older term for REM sleep, referring to the paradox of a sleeping brain with wake-like activity.
  • Desynchronized sleep (noun): Another term highlighting the brainwave patterns during this stage.
Related Phrases
  • "Enter REM": To begin the REM sleep stage.
    • It usually takes about an hour and a half to enter REM.
  • "REM atonia": The muscle paralysis (atonia) that occurs during REM sleep to prevent acting out dreams.
    • REM atonia is a protective mechanism.
rapid eye movement

A person's eyes move quickly beneath their eyelids during rapid eye movement sleep.

Noun
  1. a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep

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