go to bed vs seek one's virtuous couch

go to bed

verb
  • To lie down to sleep, put oneself in one's bed. 

  • Of a newspaper: to finish being prepared for printing. 

seek one's virtuous couch

verb
  • To go to bed: to lie down to sleep. 

How often have the words go to bed and seek one's virtuous couch occurred in a corpus of books? (source: Google Ngram Viewer )