OUR BABY WILL BE 5 MOS. AT THE TIME OF SAILING. SHOULD WE BRING A PACK N PLAY OR DO THEY HAVE CRIBS FOR THE ROOM. HAS ANYONE USED THESE? WHAT IS THE CONDITION OF THESE? DO THEY HAVE SHEETS FOR THEM? IS THERE A CHARGE FOR USING THEM?SORRY ABOUT ALL OF THE QUESTIONS....... I JUST WANT TO AVOID BRINGING A PACK N PLAY. WE HAVE ENOUGH STUFF TO BRING AND WORRY ABOUT!