Authors:

You know, sometimes if you work - if you do a lot of takes and you work long hours, for me, at least, there is a delirium that starts kicking in on the fifteenth hour, and that can help. Below the just thirteenth hour is where I have a concern, because everybody's so tired.

"Zach Galifianakis Talks Working with Will Ferrell, His “Non-Sexual” Character, and Disliking Children on the Set of THE CAMPAIGN". Interview with Scott Wampler, collider.com. July 25, 2012.
You know, sometimes if you work - if you do a lot of takes and you work long hours, for me, at least, there is a delirium that starts kicking in on the fifteenth hour, and that can help. Below the just thirteenth hour