Daily childcare practices that promote infants' natural sleep patterns—such as adjusting their daily routines and indoor environments—are extremely important. These cannot be replaced by rocking them to sleep while walking.
Babies often cry frequently. 95% of infants brought to the hospital for crying have no medical cause, and there is no requirement to stop them from crying.
On the other hand, research is needed on safe methods that can be tried immediately when infants become fussy and unable to sleep in unfamiliar situations, such as outside the home or when parents are absent, causing distress to caregivers. If the optimal method for soothing crying and putting infants to sleep could be identified for each individual baby, it could be useful not only at home but also in childcare centers and hospitals.