a. & n. from Sleep.

Sleeping car, a railway car or carrriage, arranged with apartments and berths for sleeping. -- Sleeping partner (Com.), a dormant partner. See under Dormant. -- Sleeping table (Mining), a stationary inclined platform on which pulverized ore is washed; a kind of buddle.

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adjective

1. In a state of sleep: asleep, unawake. Idioms: dead to the world, fastsoundasleep, in asoundwakelesssleep, out like a light. See awareness/unawareness.
2. Existing in a temporarily inactive form or state: abeyant, dormant, inactive, latent, quiescent. See action/inaction, show/hide.

IN BRIEF: n. - The suspension of consciousness and decrease in metabolic rate; Quiet and inactive restfulness; The state of being asleep.

Sleeping out is grand — Unknown.

Note: click on a word meaning below to see its connections and related words.

The noun has 3 meanings:

Meaning #1: the state of being asleep
  Antonym: waking (meaning #1)

Meaning #2: quiet and inactive restfulness
  Synonyms: quiescence, quiescency, dormancy

Meaning #3: the suspension of consciousness and decrease in metabolic rate

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The adjective sleeping has 2 meanings:

Meaning #1: (heraldry) lying with head on paws as if sleeping
  Synonym: dormant

Meaning #2: lying asleep
  Synonym: slumbering

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Sleeping Bag	sleeping bags
sleeping bag	sleeping pad