crash out vs go to sleep

crash out

verb
  • To fall asleep from exhaustion. 

  • To be eliminated. 

  • To produce or create rapidly 

  • To terminate with an unhandled error; to crash. Also used in relation to the UK's exit of the European Union. 

go to sleep

verb
  • To fall asleep. 

  • To be affected by paresthesia; to go numb. 

  • To die. 

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