night in, night out vs overnight

night in, night out

adv
  • During every night; continuously. 

overnight

adv
  • During or throughout the night, especially during the evening or night just past. 

  • In a very short (but unspecified) amount of time. 

adj
  • Complete before the next morning. 

  • Occurring between dusk and dawn. 

  • Of an activity or event in which participants stay overnight. 

verb
  • To stay overnight; to spend the night. 

  • To send something for delivery the next day. 

noun
  • An overnight stay, especially in a hotel or other lodging facility. 

  • Viewership ratings for a television show that are published the morning after it is broadcast, and may be revised later on. 

  • Items delivered or completed overnight. 

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