• WordNet 3.6
    • n sleeper an unexpected hit "that movie was the sleeper of the summer"
    • n sleeper tropical fish that resembles a goby and rests quietly on the bottom in shallow water
    • n sleeper a piece of furniture that can be opened up into a bed
    • n sleeper pajamas with feet; worn by children
    • n sleeper a passenger car that has berths for sleeping
    • n sleeper one of the cross braces that support the rails on a railway track "the British call a railroad tie a sleeper"
    • n sleeper a rester who is sleeping
    • n sleeper an unexpected achiever of success "the winner was a true sleeper--no one expected him to get it"
    • n sleeper a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
    • ***
Webster's Revised Unabridged Dictionary
    • Sleeper (Zoöl) A large fresh-water gobioid fish (Eleotris dormatrix).
    • Sleeper (Zoöl) A nurse shark. See under Nurse.
    • Sleeper A sleeping car.
    • Sleeper (Zoöl) An animal that hibernates, as the bear.
    • Sleeper One who sleeps; a slumberer; hence, a drone, or lazy person.
    • n Sleeper (Naut) Something lying in a reclining posture or position.
    • Sleeper That which lies dormant, as a law.
    • ***
Century Dictionary and Cyclopedia
    • n sleeper One who sleeps: as, a sound sleeper.
    • n sleeper A drone, or lazy person; a sluggard.
    • n sleeper A dormant or inoperative thing; something that is in abeyance or is latent.
    • n sleeper An animal that lies dormant in winter or summer, as the bear, the marmot, certain mollusks, etc. See sleep, n., 4.
    • n sleeper Figuratively, a dead person.
    • n sleeper plural Grains of barley that do not vegetate in malting.
    • n sleeper A railway sleeping-car.
    • n sleeper In zoology:
    • n sleeper The dormouse, Myoxus avellanarius.
    • n sleeper The sleeper-shark, Somniosus microcephalus, and some related species, as Ginglymostoma cirratum.
    • n sleeper A gobioid fish of the genus Philypnus, Eleotris, or Dormitator, as D. lineatus or D. maculatus. See Elcotridinæ.
    • n sleeper A stump of a tree cut off short and left In the ground.
    • n sleeper A beam of wood or the like placed on the ground as a support for something. In carpentry, a piece of timber on which are laid the ground-joists of a floor; a beam on or near the ground, or on a low cross-wall, for the support of some superstructure.
    • n sleeper In ship-building, a thick piece of timber placed longitudinally in a ship's hold, opposite the several scarfs of the timbers, for strengthening the bows and stern-frame; a piece of long compass-timber fayed and bolted diagonally upon the transoms.
    • n sleeper In glass-making, one of the large iron bars crossing the smaller ones, which hinder the passage of coals, but leave room for the ashes.
    • n sleeper In weaving, the upper part of the heddle of a draw-loom, through which the threads pass.
    • n sleeper In faro, a bet left upon a card which the case-keeper shows is dead. Such a bet is public property and the first one to see it can take it.
    • ***
Chambers's Twentieth Century Dictionary
    • n Sleeper one who sleeps: a horizontal timber supporting a weight, rails, &c
    • ***


  • Eugene O'Neill
    Eugene O'Neill
    “One should either be sad or joyful. Contentment is a warm sty for eaters and sleepers.”
  • Heraclitus
    “Even sleepers are workers and collaborators on what goes on in the universe.”


Webster's Revised Unabridged Dictionary
Cf. Norw. sleip, a sleeper (a timber), as adj., slippery, smooth. See Slape
Chambers's Twentieth Century Dictionary
A.S. slǽpanslǽp; Ger. schlaf, Goth. sleps.


In literature:

He who awakes the defenceless sleeper, shall have her to wife.
"The Wagnerian Romances" by Gertrude Hall
Sleepers must be supplied for the Chorus for all travel begun before five o'clock in the morning.
"The Art of Stage Dancing" by Ned Wayburn
Now instantly after the sentry's hail this stirring sleeper emitted an excited yell.
"Uncle Sam's Boys as Sergeants" by H. Irving Hancock
This proved to be Pepe the Sleeper.
"Wood Rangers" by Mayne Reid
The steering-oar, held in the hands of the sleeper, hung suspended high above the water.
"The Ocean Waifs" by Mayne Reid
But it was not till all had gone out and their voices had died away on the clear, cold air, that the sleeper in No.
"The Invader" by Margaret L. Woods
We pursued trains into remote sidings in the middle of the night, tripping over wires and stumbling among sleepers.
"A Padre in France" by George A. Birmingham
Special sleeper, some convention crowd for Bridgeport, came in on the north branch.
"Ralph on the Overland Express" by Allen Chapman
Maybe the sleeper would awake in a minute and she could ask him about it.
"Dorothy's House Party" by Evelyn Raymond
Stealthily I approached the nearest sleeper.
"The Gods of Mars" by Edgar Rice Burroughs

In poetry:

O in the depths of midnight
What fancies haunt the brain!
When even the sigh of the sleeper
Sounds like a sob of pain.
"In The Dark" by James Whitcomb Riley
The ocean in music rolls,
The gems are turning to eyes,
And the trees are gathering souls
For the day when the sleepers arise.
"A Dream-Song" by George MacDonald
The sleeper lies, with closed eyes,
And softly moving breath,
So soft, so still, her life's sweet thrill,
'Tis only more than death.
"The Sleeper" by James Avis Bartley
He passed into the chamber of the sleeper,
The dark and silent room,
And as he entered, darker grew, and deeper,
The silence and the gloom.
"The Warden Of The Cinque Ports. (Birds Of Passage. Flight The First)" by Henry Wadsworth Longfellow
Only a Dream!
Graves keep their own;
They have no hearts to hear;
But the loved will come
From their Heaven-Home
To smile on the sleeper's tear.
"Only A Dream" by Abram Joseph Ryan
The sleeper woke! He gazed upon the deep;
He whispered: "Peace!
Winds -- wild waves, cease!
Be still!" The tempest fled -- the ocean fell asleep.
"The Master's Voice" by Abram Joseph Ryan

In news:

Pro Cycling & The Sleeper Hold.
George Lopez —a C-level sitcom that was tough to sell to stations—has turned into a sleeper hit.
Items tagged with Sleeper .
'Grim Sleeper ' case raises privacy concerns over use of DNA.
'Grim Sleeper ' serial killer case was broken when authorities used DNA taken from the suspect's family members.
Believed to be the Grim Sleeper 's 10th victim, Berthomieux was found strangled in an Inglewood alley in March of 2002.
Police say Debra Jackson was the Grim Sleeper 's first victim in 1985.
Climate Change's Sleeper Role in Election 2012.
'Pajama Game' is no sleeper .
I wasn't using the sleeper compartment of my semi truck, so I converted the space into storage for everything I need during spraying season.
SEC West Sleeper Wins Again.
Waking up with Sleeper Agent, Fanfarlo.
The sleeper , for now.
Certain NFL sleepers are plotting acts of fantasy terror.
Everyone is having their drafts and the question I seem to be asked most frequently is who are this year's sleepers .

In science:

For instance, a switch - instead of a speech command - may be used to turn on the lights in a room, so as to avoid disturbing a light sleeper in an adjoining room.
Ambient Multimodality: an Asset for Developing Universal Access to the Information Society