English

Noun

deep sleep ‎(uncountable)

1. Used other than as an idiom: see deep,‎ sleep.
2. (rare, fiction) Artificially induced hibernation in humans for the purpose of long distance space travel.
   • 2004, Robert Doherty, Area 51: Legend, ISBN 0440237254:

     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 1589397347, 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 160693046X, page 17:

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

Synonyms

• (medicine): cataphor

Translations

See also

• deep sleep on Wikipedia.Wikipedia