awaken vs sack out

awaken

verb
  • To cause to become aware. 

  • To call to a sense of sin. 

  • To cause to become awake. 

  • To bring into action (something previously dormant); to stimulate. 

  • To stop sleeping; awake. 

sack out

verb
  • To fall asleep, usually from implied exhaustion. 

How often have the words awaken and sack out occurred in a corpus of books? (source: Google Ngram Viewer )