The Science of Shushing: Why Certain Sounds Soothe Babies Instantly

The Science of Shushing: Why Certain Sounds Soothe Babies Instantly

When your baby is crying at full blast, what’s the first thing you do? Chances are, you start shushing—soft, rhythmic, and repetitive. It’s instinctive, almost universal. The sound itself seems to say, “Everything is okay,” even if you’re panicking on the inside. But have you ever stopped to think about why it works? Spoiler alert: It’s not just guesswork; it’s backed by science.

The Womb: A World of Soothing Sounds

Before birth, your baby’s world was far from silent. Inside the womb, they were surrounded by a symphony of sounds—the steady whoosh of blood flow, the rhythmic thump of your heartbeat, and even the gurgle of your digestive system. This constant background noise was their first comfort zone.

Now imagine being born into a world where quiet moments are suddenly filled with unpredictable, sporadic sounds: dogs barking, dishes clattering, or an older sibling’s enthusiastic (read: loud) singing or chatter. For babies, familiar, rhythmic sounds like shushing or white noise recreate the sense of security they felt in the womb

The Science Behind Why Shushing Works

1. Blocking Overstimulation

The world is a noisy, chaotic place for a newborn. Shushing or white noise helps drown out unpredictable, jarring sounds by creating a soothing auditory environment. Think of it as a sound blanket that calms their overstimulated brain.

2. Mimicking the Familiar

The steady rhythm of “shh-shh” mimics the comforting sounds of the womb. It’s like giving your baby a VIP pass back to their pre-birth sanctuary. Predictable, repetitive sounds signal to their brain: “You’re safe. You can relax.”

3. Encouraging Relaxation

Calming sounds can lower stress hormones like cortisol and boost oxytocin—the “love hormone” that promotes bonding and relaxation. So, not only does shushing soothe your baby, it might just lower your stress levels too. A win-win!

Why White Noise is a Modern-Day Miracle

Let’s face it—your vocal cords have limits. That’s where white noise machines come in. These nifty devices are a lifesaver for tired parents, creating a consistent soundscape that helps babies settle and sleep.

The Benefits of White Noise:

  • Hushes Household Noise: Whether it’s doorbells, traffic, or chatty family members, white noise masks disruptive sounds.

  • Supports Longer Sleep: By smoothing out sudden environmental noises, it helps babies stay asleep.

  • Portable Peace: Modern devices are easy to pack, so you can recreate your baby’s sleep environment wherever you go.

Modern Shushing Tools for Modern Parents

While shushing has been a go-to for generations, today’s parents have tools like Shushiie to make the process even more effective. By layering sounds—think white noise, soft melodies, and nature sounds—and offering customizable features, devices like these help you tailor the perfect sound mix for your baby. And the best part? No lightheadedness or parched lips from endless shushing.

How to Choose the Right Sounds for Your Baby

Experiment to Discover Your Baby's Favourite Sounds

Babies have preferences, just like adults. Some love the hum of a fan, while others settle to the sound of ocean waves. Try a variety of tracks to see what clicks.

Layer and Adjust

Some sound machines, like Shushiie, let you blend different sounds and adjust the volume of each. This way, you can create a personalized auditory experience that soothes your baby best.

Keep it Safe

Volume matters. Experts recommend keeping sound levels below 50 decibels (about the same as a quiet conversation) to protect your baby’s sensitive ears.

The Science-Backed Takeaway

Shushing works because it taps into your baby’s natural response to predictable, rhythmic sounds. Whether you’re using your own voice or a thoughtfully designed tool like Shushiie, the goal is the same: to create a safe, soothing environment that helps your little one relax and rest.

So, the next time your baby’s cries reach fever pitch, remember—you’ve got science on your side. And maybe a little help from Shushiie.


 

 

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About the Author

Hi! I’m Mimi Menani, founder of The Cot and Cradle Company, mother of two, and an advocate for better, more functional parenting solutions. Before creating Shushiie, I worked with global organizations like Google, The Economist, and the World Bank Group, where I honed my problem-solving skills and developed a passion for creating meaningful solutions.

When I became a mom, I channeled my professional expertise and personal experiences into designing products that make a real difference in parents’ lives. My journey with The Cot and Cradle Company started with Shushiie, a customizable sleep speaker created to bring calm and comfort to babies and parents alike.

You can learn more about my professional journey here.