come around vs go to sleep

come around

verb
  • To change one's mind, especially to begin to agree or appreciate what one was reluctant to accept at first. 

  • To regain consciousness after a faint etc. 

go to sleep

verb
  • To be affected by paresthesia; to go numb. 

  • To fall asleep. 

  • To die. 

How often have the words come around and go to sleep occurred in a corpus of books? (source: Google Ngram Viewer )