Try baby sleep sounds, if your child has trouble falling asleep.. Continuous, monotonous and loud sounds help your baby to fall asleep. Sound of a hair dryer, washing machine, sound of a train, musicbox (lullaby), white noise, will help your baby fall asleep. These sounds are more effective than music or lullabies, so many parents choosing the simple and effective way of calming their children. Monotonous, soothing sounds to sleep children, such as white noise are calming for babies because th