3
0第4期，以JCPP纵向研究和Scientific American综述为骨架，拆解哭声免疫法争议，介绍渐进式替代方案和适用边界。
1、JCPP: Parental use of 'cry it out' in infants — no adverse effects on attachment and behavioural development at 18 months (2020)
2、Scientific American: Sleep Training Won't Hurt a Parent or Baby. Bad Sleep Will (2024)
3、Scientific American: Does Sleep Training Work? (2024)
4、Cleveland Clinic: What Is the Cry-It-Out Method of Sleep Training?
