Start playing the sound as part of your baby's established bedtime routine .
In the womb, babies are surrounded by constant, loud bodily noises (blood flow, heartbeat) that sound much like a vacuum’s low hum.
Use high-quality MP3 versions or YouTube videos like this 10-hour loop to ensure the sound doesn't cut out abruptly, which might wake the baby.
While effective, parents should follow these safety guidelines from health experts:
This "white noise" triggers a baby’s natural calming reflex, acting as a mental "off-switch" for crying.
The secret lies in the sound’s ability to mimic the baby's original home:
Place the device at least 7 feet (2 meters) away from the baby's crib to protect their sensitive hearing.