DD keeps unsnapping the bottom of her pj's and taking her diaper off in the morning mostly but sometimes she takes it off during nap time. Yesterday morning I went in to get her and her sister out of their cribs and she had taken her diaper off and pooped in her crib. It was everywhere!! Caked onto her hands and feet, smeared all over her crib and her sisters crib, some was even across the room by the door. I know that her taking her diaper off is just part of the age they are at, but does anyone have any suggestions to make it more difficult for her to do this?? I really do not want to wake up and have to clean up poop like that again.