Babies feel safe and secure in the presence of this Shush sound because we are recreating the environment of the womb that the baby has lived in for nine months. This sound works wonders. Try it for yourself!Unless your baby is hungry or has a wet diaper, the Shush sound will help. This technique has been used for decades to put babies to sleep and now it is at your fingertips. Try Baby Sleeper to help put your baby to a nice nap or a good night sleep.