t is a well-known fact that children grow while they sleep, this is why choosing the right bed for kids is important. While many aspects of the sleep cycle are a mystery, there is little doubt of the important role it plays in the development of children. One theory regarding dreams is that they provide a safe environment for humans to play out scenarios from the previous day. So while your children sleep they are reassessing all the things that they have experienced in the day in order to learn from them.