When you start to think about transitioning your toddler to a big-boy or big-girl bed, toddler proofing comes to mind because one of the scarier things is the trouble they can get into when they are in their room alone and not sleeping. If toddler proofing doesn't come to mind, it should. Between 1990 and 2007, in the U.S., about 15,000 children each year visited the ER from furniture-tipping injuries and about 300 died each year. :( Up until now, many of your babies have been in a crib,