get off vs go to sleep

get off

verb
  • To fall asleep. 

  • To disembark, especially from mass transportation such as a bus or train; to depart from (a path, highway, etc). 

  • To cause (something) to stop touching or interfering with (something else). 

  • To stop using a piece of equipment, such as a telephone or computer. 

  • Indicates annoyance or dismissiveness. 

  • To excite or arouse, especially in a sexual manner, as to cause to experience orgasm. 

  • To make (someone) fall asleep. 

  • To make or help someone be ready to leave a place (especially to go to another place). 

  • To acquire (something) from (someone). 

  • To stop touching or physically interfering with something or someone. 

  • To move from being on top of (something) to not being on top of it. 

  • To experience great pleasure, especially sexual pleasure; in particular, to experience an orgasm. 

  • To kiss; to smooch. 

  • To (write and) send (something); to discharge. 

  • To leave one's job, or leave school, as scheduled or with permission. 

  • To help someone to escape serious or severe consequences and receive only mild or no punishment. 

  • To get high (on a drug). 

  • To find enjoyment (in behaving in a presumptuous, rude, or intrusive manner). 

  • To escape serious or severe consequences; to receive only mild or no punishment (or injuries, etc) for something one has done or been accused of. 

  • To move (something) from being on top of (something else) to not being on top of it. 

  • To reserve or have a period of time as a vacation from work. 

go to sleep

verb
  • To fall asleep. 

  • To be affected by paresthesia; to go numb. 

  • To die. 

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