Article was written by Captain Obvious, I assume?
Tournaments are tough, having to play back-to-back games in a short window. While losing in the 1st round is a bad outcome, getting beat up or exhausted in the 1st round is right up there. Get the starters a good workout and get lots of reps for the bench guys is always the goal. Other than that, avoid injuries and be real careful about what you're ingesting while you're in Hawaii.
Body clocks are going to be totally out of whack, so eating something that gets your guts gurgling, or even getting exposed to some kind of bug can only be WORSE when your sleep schedule is whacked out.