deep sleep

English

Noun

deep sleep (countable and uncountable, plural deep sleeps)

1. Used other than figuratively or idiomatically: see deep,‎ sleep.
2. (medicine) stage 3 of non-rapid eye movement sleep

   Synonyms: slow-wave sleep, cataphor

3. (rare, fiction) Artificially induced hibernation in humans for the purpose of long distance space travel.
   • 2004, Robert Doherty, Area 51: Legend‎^[1], →ISBN:

     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.

   • 2005, Bob Ticer, Visiting the Strange Planet Called Earth, →ISBN, page 13:

     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.

   • 2008, Cavin Wright, The Golden Prize, →ISBN, page 17:

     There is also the possibility that our aliens perfected cryogenics and simply went into deep sleep until the environment improved.

Translations

medicine: state of sleep

• Arabic: نَوْم عَمِيق m (nawm ʕamīq)
• Finnish: syvä uni
• French: sommeil profond m
• German: Tiefschlaf (de) m
• Greek:

  Ancient: κῶμα n (kôma)

• Maori: moe rotu
• Polish: twardy sen m
• Swedish: djupsömn c

fiction: artificial hibernation

• Finnish: syvä uni

See also

• deep sleep on Wikipedia.Wikipedia