snooze vs twenty winks

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. 

twenty winks

noun
  • A very short sleep, half as long as forty winks. 

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