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a. Marked by a lack of sleep: a sleepless night.
b. Unable to sleep.
2. Always alert or active; never resting: a sleepless district of the city.

sleep′less·ly adv.
sleep′less·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.sleeplessly - without sleep; in a sleepless manner; "he was lying in bed sleeplessly"


[ˈsliːplɪslɪ] advsenza dormire
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References in classic literature ?
With at least fifty of their number flying through the black jungle, and without the slightest knowledge of when their uncanny foemen might resume the cold-blooded slaughter they had commenced, it was a desperate band of cut-throats that waited sleeplessly for the dawn.
"Like a good landlord I am watching sleeplessly over my people.
He tirelessly (and often sleeplessly) focuses and encourages the parties to help them achieve a practical solution that is beneficial for all involved.
Why would someone allegedly indifferent to the bloody consequences of war work sleeplessly to secure peace?
Schools were working sleeplessly to increase every type of medical training and doctors were much better distributed throughout the island.
Stephen Greenblatt notes that "after watching a scene [in The Life of King Henry the Fifth] in which anxious, frightened troops sleeplessly await the dawn, it is difficult to be fully persuaded by Hals climactic vision of the 'slave' and 'peasant' sleeping comfortably, little knowing 'What watch the King keeps to maintain the peace.'" (18) It is difficult to be even partly persuaded by Henry's vision of a commoner's "comfortable" lot, for the king never pities the misery that makes this man sleep insensibly.
There the multiple circuits performed by numerous beasts kept turning millstones of varying circumference, and not merely by day but throughout the night they would sleeplessly produce flour with the non-stop rotation of the machines ...
They toss and turn, or sleeplessly sit on a makeshift cot by a flickering campfire, as fragmented narratives unfold via voice-overs or subtitles whose repetitious structures reiterate the sense of involution.
Kelman frequently alludes to the 'technical things', the 'different kinds of writing', and the 'tricks you can do with prose' that are squirreled away in his creative armoury, (39) and Mary McGlynn discusses Joyce's 'eschewal of a privileged position of authority for himself, his own voice, a turning loose of his book to his characters', (40) To say this as she does of Ulysses, with its sleeplessly ironic and devastatingly omniscient deployment of its protagonists, is misleading enough.
In the same letter he recounted sleeplessly composing an
They'd had ramps built, floors leveled, railings installed, and Michelle waited sleeplessly for his rage and sorrow to descend like a reckoning.