: The intense, predictable sound is often particularly effective at calming colicky or fussy babies who are overstimulated by the world's varying noises. Newborn Baby White Noise Benefits
: Life inside the uterus is surprisingly loud, reaching levels similar to a lawnmower (approx. 90 decibels). A vacuum's steady, low-frequency hum closely mimics the internal "roaring" sounds of blood flow and heartbeats that babies were accustomed to for nine months. : The intense, predictable sound is often particularly
: Vacuum cleaners produce a form of "white noise," which contains all audible frequencies at an equal intensity. This creates a "wall of sound" that masks sudden environmental noises—like a doorbell or a barking dog—that would otherwise startle a sleeping infant. : The intense