Phrase guide

paradoxical sleep

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Synonym of REM sleep.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: REM sleep

Antonyms: none provided

2

noun

Meaning 2

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: rapid eye movement sleep, REM sleep, rapid eye movement, REM

Antonyms: none provided

Broader terms: sleep, slumber

History

Etymology

So called because of the similarity of the brain waves to those during waking life.