What does the verbal irony in this text suggest?
"Sleeping through the rooster's crowing was no problem," Chandler joked with a yawn.

 - Chandler slept poorly.
 - Chandler slept well.
The text uses verbal irony, which involves saying one thing but implying something very different.
Sleeping through the rooster's crowing was no problem ironically suggests that Chandler slept poorly. Chandler was tired, so the rooster's crowing was clearly a problem.