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[ UK /slˈiːpləs/ ]
[ US /ˈsɫipɫəs/ ]
ADJECTIVE
  1. always watchful
    to an eye like mine, a lidless watcher of the public weal
  2. experiencing or accompanied by sleeplessness
    twenty watchful, weary, tedious nights
    insomniac old people
    insomniac nights
    lay sleepless all night

How To Use sleepless In A Sentence

  • His identification with the hero of the book made him sleepless.
  • I finally read the warning about nervousness, dizziness, or sleeplessness.
  • Not only does it make you look tired and unhealthy, but long-term sleeplessness can damage your health. Make time for beauty sleep this holiday season
  • Ah, what a world entire was this lost little hamlet of Paradise, where merrymakers trod on the mourners 'heels, where the scream of the biniou drowned the floating note of the passing bell, where Misery drew the curtains of her bed and lay sleepless, listening to Gayety dancing breathless to the patter of a coquette's wooden shoes! The Maids of Paradise
  • After a few hours of sleepless boredom, he took out a handgun from his leg holster.
  • Almost everyone has a horror story from a sleepless night on a paper thin mattress, and just hearing the word futon is enough to make... The Full Feed from HuffingtonPost.com
  • Which is why we had yet another sleepless night. The Sun
  • The problem is causing me many sleepless nights. Times, Sunday Times
  • For a little while Donald lay awake under the eaves in his loft room, but his sleeplessness was the result neither of worry or nervous tension. 'Smiles' A Rose of the Cumberlands
  • lay sleepless all night
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