Part of speech: noun


Part of speech: adverb


Part of speech: adjective

Wakeful; restless.

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Usage examples "sleepless":

  1. There was another long day, and another sleepless night, but when these ended at last, how busy we were! - "From Plotzk to Boston", Mary Antin Commentator: Israel Zangwill.
  2. But she went on as she had planned in her sleepless night. - "The Way of the Gods", John Luther Long.
  3. He works, he does his best, his very best, he tortures himself, he passes sleepless nights, he thinks and thinks and thinks how to do everything just right. - "Best Russian Short Stories", Various.