Recording of a mother's heartbeat or "womb whooshing" can provide instant relief by recreating the safe atmosphere of the womb.
In an emergency, running a vacuum cleaner, a fan, or a clothes dryer in a nearby room can provide the necessary rhythmic noise to settle a fussy infant. Recording of a mother's heartbeat or "womb whooshing"
To quickly soothe a colicky baby, research suggests using low, rhythmic sounds that mimic the environment of the womb. These "white noise" sounds can help trigger a baby's natural calming reflex, allowing them to fall asleep faster during intense crying bouts. Quick Calming Sounds for Colic running a vacuum cleaner