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noun sleep pronunciation in American English /slip/
  1. 1
    [uncountable] a natural state in which you are unconscious for a time and your body rests, especially for several hours at night
    Babies need a lot of sleep.
    get to sleep: I can’t get to sleep if there’s any noise.
    I woke up during the storm and couldn’t get back to sleep.
    without sleep: A night without sleep left him red-eyed and haggard.
    get some/much/any sleep: You need to go home and get some sleep.
    Synonyms and related words
    1. a.
      [only before noun] relating to sleep
      sleep habits
      Synonyms and related words
  2. 3
    [singular] a period of time when you are sleeping
    Karen woke up from a long sleep and rubbed her eyes.
    a good night’s sleep: I haven’t had a good night’s sleep for over a week.
    a deep/light sleep (=one that is difficult/easy to wake up from): She lay down and soon fell into a deep sleep.
    Synonyms and related words

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