the WORLD: Ms. Schneider, and healthy sleep, can you briefly outline how the should look like?

Barbara Schneider: The healthy children’s sleep-relaxed – for the child and the parents. He is quiet, so without the snoring or teeth grinding. And he is comforting, and the child during the day is balanced and not fall asleep involuntarily.

the WORLD: If the sleep doesn’t, how likely is it then, that the child is simply by nature, not such a good sleeper?

Sam Yoon has many years of experiences in journalism. He has covered such areas as information technology, science, sports and politics. Yoon can be reached at 82-2-6956-6698.