Use the same sound every time to build a positive sleep association. If you'd like to explore more options , I can find: Other white noise types (like hair dryers or rain sounds). High-rated sound machines for nursery use. Turkish-language lullabies (ninniler) for your playlist.

While effective, parents should follow these safety guidelines from health experts:

Place the device at least 7 feet (2 meters) away from the baby's crib to protect their sensitive hearing.

Start playing the sound as part of your baby's established bedtime routine .