We touched on this earlier, but better to hear the story straight from the source...
During this week's rehearsals, the Boogie Bots spent way too much time and effort working on a routine that was meant to impress the judges... but it didn't sit well with their conscience. What kind of crew are you if you're not dancing for your fans?
So at the 11th hour, the Bots choreographed another number that suited their style more, which ultimately meant sleep would be out of the question. Good thing robots don't need any...