awakening vs sack time

awakening

adj
  • Rousing from sleep, in a natural or a figurative sense; rousing into activity; exciting 

noun
  • A revival of religion, or more general attention to religious matters than usual. 

  • The act of becoming aware of something. 

  • Being roused into action or activity. 

  • The act of awaking, or ceasing to sleep. 

sack time

noun
  • Time spent sleeping. 

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