아기가 한쪽으로만 자요

http://search.naver.com/search.naver?where=nexearch&sm=ies_hty&ie=utf8&query=%EC%95%84%EA%B8%B0%EA%B0%80+%ED%95%9C%EC%AA%BD%EC%9C%BC%EB%A1%9C%EB%A7%8C+%EC%9E%90%EC%9A%94