Watching a baby to grow gradually is not lesser than joy for parents. Many parents want to observe their babies to grow and they keep video records as well as still photos when babies hit certain milestones. For a baby, the first milestone is to learn rolling over. You can surely consider that your baby is growing up perfectly, when baby start rolling over on the bed. This is considered as a critical time for the growth of the babies. Rolling is the stage which helps in learning crawling, sitting, standing, etc. Thus, rolling on the bed is an important thing for all babies.