White sound machines produce a calming effect on babies. Have you ever found the sound of the vacuum, hairdryer or washing machine has a calming effect on your baby, especially if they are unsettled? Ever wondered why?
Babies are used to muffled noise in the womb, when they are born into the world it is a huge audiological adjustment. Wombs are noisy little homes and newborns are used to sounds, they are easily startled by sudden loud changes in noise become startled them from their sleep.