Word Pronunciation & Dictionary

deep sleep

Word Rarity Uncommon

Frequency: 4.75 in modern English

Syllables: deep- sleep
IPA

14

Scrabble Score

9

Letters

2

Syllables

5

Unique Chars

Meaning

noun

Used other than figuratively or idiomatically: see deep, sleep.

Countable; Uncountable

noun

stage 3 of non-rapid eye movement sleep

Countable; Uncountable

noun

Artificially induced hibernation in humans for the purpose of long distance space travel.

Countable; Uncountable

Example Sentences

"Donnchadh and Gwalcmai, along with the other fourteen teams selected for planetary infiltration, had been put into deep sleep shortly after liftoff from their planet."
"The Kironian had remained in deep sleep until alerted by a high-pitched squeaky sound. When the Kironian woke, everything seemed as though it had just left Kiron."
"There is also the possibility that our aliens perfected cryogenics and simply went into deep sleep until the environment improved."

Usage

Inflected Forms

deep sleeps (plural)

Synonyms

slow-wave sleep cataphor

Questions

What does deep sleep mean?: Used other than figuratively or idiomatically: see deep, sleep.

How to pronounce deep sleep

Open the pronunciation page — Open the Speakur entry for “deep sleep”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “deep sleep”.
Repeat and practice — Say “deep sleep” aloud, matching stress and vowels until it feels natural.