idleness vs own sweet time

idleness

noun
  • Groundlessness; worthlessness; triviality; vanity; frivolity. 

  • The state of being idle; inactivity. 

  • The state of being indolent; indolence. 

own sweet time

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