Assertion: attachment's child | /r/CapableOf | undergo such training
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Source sentences:
text: William Sears names two reasons why infants should not undergo sleep training: he believes that infant training hardens the mother emotionally and that children who underwent such training don't sleep better but merely resign and become apathic, a state that he refers to as "shutdown syndrome", although a condition of this name doesn't exist in DSM or ICD.