Similar to the sound of empty space or better known as white noise. For comparison, the "shushing" sound in the womb ranges from 72 to 88 decibels, while the sound in a vacuum cleaner ranges from 70 decibels. In other words, the womb where the fetus develops is not a quiet place.

That is sometimes what makes some babies even more difficult to sleep and uncomfortable when in a room that is too quiet. For parents who have difficulty calming their little ones during sleep, you can consider trying to play white noise in the room.

White noise can create sounds like a soothing womb that calms babies, helping them stop crying and fall asleep faster. Research shows that white noise can also help children perform certain tasks that may be affected by attention deficit/hyperactivity disorder (ADHD), such as sound recognition.

Baby easily wakes up during this light sleep period and becomes anxious, causing the end of sleep time. This white noise can help the baby sleep longer during light sleep and fall back asleep. For the use of white noise, the sound should not be too loud.