(19) It may be popular to assert that the three schools of thought described above are equally viable options for consideration and practice. In the July 2014 issue of Parents magazine, readers were told “whatever sleep training method feels most comfortable for you is just fine.” Yet, parents bear the responsibility of being certain that the practices they employ do not harm their children. A growing catalogue of peer-reviewed studies clearly assert that CIO harms normal brain development and damages a child’s capacity to develop secure attachment bonds -- essential to the cultivation of empathy, pro-social behavior, and future, healthy long-term relationships. CIO is anything but “just fine.”