scientific way to calm a baby and put them to sleep

[DuMa]

this is good information

https://www.cnn.com/2022/09/13/health/crying-baby-sleep-parenting-wellness/index.html

There is also one where you hold onto a baby in a fashion that it will stop them from crying right away.  Some pediatrician knows this hack.  I've seen it once and I can't find that article again. 

[theking]

Other parents have said that we were "lucky" our daughter is a good sleeper that sleeps through the night and doesn't get up early on weekends...