Meaning of the word "rapid eye movement" in English

What does "rapid eye movement" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

rapid eye movement

US /ˌræp.ɪd ˈaɪ ˌmuːv.mənt/
UK /ˌræp.ɪd ˈaɪ ˌmuːv.mənt/
"rapid eye movement" picture

Noun

a stage of sleep characterized by the rapid and random movement of the eyes, typically associated with dreaming

Example:
Most dreaming occurs during rapid eye movement sleep.
The scientist monitored the subject's rapid eye movement to study their sleep patterns.