oh dark hundred vs snooze

oh dark hundred

noun
  • Some unspecified hour in the early morning (implies an unpleasant time to be awake) 

snooze

noun
  • A brief period of sleep; a nap. 

  • Something boring. 

  • The snooze button on an alarm clock. 

verb
  • To pause; to postpone for a short while. 

  • To sleep, especially briefly; to nap, doze. 

How often have the words oh dark hundred and snooze occurred in a corpus of books? (source: Google Ngram Viewer )