It is important to use the same settling pattern each time you put your baby to sleep, day or night, as this helps them to learn about sleep more quickly. (cyh.com)
Some common mild reactions when transitioning to a new formula may include changes to their bowel movements, more or less regurgitation, change in settling patterns or fussiness. (bubsaustralia.com)
And, on occasion, critical events can jar opinion from settled patterns into a new equilibrium. (educationnext.org)