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About the Author

Sophie Delaney
Sophie Delaney

Published on March 02, 2024

Sophie Delaney is a freelance writer and content editor based in Bristol, specialising in lifestyle, wellness, and home living. With a background in journalism and a keen interest in how everyday environments impact wellbeing, she writes about simple, practical ways to create calmer spaces, including the growing role of white noise in daily life.

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Are White Noise Machines Good For Babies?

Helping your baby sleep soundly can often feel like a never-ending challenge, especially during those early weeks and months. Newborn babies are still adjusting to life outside the womb, and their sleep patterns can be varied. That’s where white noise machines and other sound machines can really make a difference. 

These popular sleep aids mimic the comforting noise babies hear in the womb. This helps to create a soothing space that encourages deep sleep. By producing soothing sounds like white noise, fan sounds, gentle whooshes, or soft hums, these machines can help babies fall asleep faster. As well as staying asleep longer, and even settling more easily after waking.

Many parents find that adding a noise machine to their bedtime routine or daytime naps makes a huge difference. A lot of sleep consultants also recommend using coloured noise as part of a bedtime routine. Especially when babies cry or struggle to wind down. But are sound machines really as beneficial as they seem? And how do they actually work to support your baby’s sleep routine?

Let’s take a closer look at the science behind white noise and how it can help put your baby to sleep. There are a few important things to keep in mind, like safe maximum volume levels and when to use them. Whether that’s at home or even on the go, such as in a car seat. We’ll also touch on how sound frequency and different ambient sounds play a role, and how white noise apps compare to traditional machines.

Firstly, What Is White Noise?

White noise is a type of sound known as coloured noise. It happens when all sound frequencies are combined in equal amounts. This creates a steady, consistent noise, often described as a soft, static-like sound.

It might not seem exciting, but this constant background sound has a powerful calming effect. Especially when it comes to helping newborn babies and young children fall asleep faster and sleep soundly.

You may not realise it, but white noise is all around us in everyday life. It can be found in familiar ambient sounds like the hum of a fan or the rumble of a vacuum cleaner. Even the soothing rush of running water, or the soft shushing sound many parents use to help put their baby to sleep.

Baby sleeping soundly

What Are The Benefits Of White Noise for Babies?

1. Improved Sleep Quality:

Using white noise machines can really help improve your baby’s sleep quality. Babies can be disturbed by household noise like doorbells, barking dogs, or noisy siblings. These sounds can wake them up during daytime naps or lighter sleep cycles. White noise helps by blocking out these sudden noises.

It plays a steady sound that makes the sleep environment feel calm and safe. This helps babies fall asleep faster and sleep soundly for longer. Adding a noise machine to your baby’s bedtime routine can make a big difference, especially for newborn babies. It’s a simple and gentle sleep aid that helps everyone get better rest.

baby sleeping with zello portable white noise machine

2. Reduced Fussiness:

White noise machines can help calm a fussy baby. The soft, steady sound is gentle and comforting. It creates a peaceful space that feels safe and familiar. This relaxes your baby’s nervous system when they’re feeling too alert.

It also makes it easier for them to go from being awake to falling asleep. Adding soothing sounds to your baby’s sleep routine can help them feel more settled at nap time or bedtime. It’s a great sleep aid for newborn babies who cry often or struggle to wind down.

baby sleeping with zello portable white noise machine

3. Builds a Sleep Association:

Using a white noise machine during your baby’s bedtime routine helps build a strong sleep habit. When your baby hears the same soothing sounds each night, they start to link that sound with sleep. It becomes a signal that it’s time to rest.

This makes it easier to put your baby down to sleep, even in new places like hotels or a grandparent’s house. The familiar ambient noise helps your baby feel safe and settled, no matter where they are. Over time, this can become a helpful sleep aid for naps and bedtime, at home or on the go.

mum and baby winding down together with a zello white noise machine

4. Blocks Out Disruptions:

White noise is great for blocking out loud or sudden sounds. If you live in a busy home or a noisy area, it can really help your baby sleep soundly. The steady ambient noise works like a soft wall between your baby and the outside world.

It helps cover up things like traffic, talking, or doors closing. This allows your baby to rest without being woken up by every little noise. Adding a noise machine to your baby’s sleep routine can make naps and bedtime much more peaceful—even in a loud house.

zello portable white noise machine clipped to cot with red light on

What Are The Negatives Of White Noise?

1. Volume Levels:

White noise machines can be very helpful, but it’s important to use them safely. Babies have very sensitive ears, so the maximum volume should be kept low. Experts say the sound should be no louder than 65 decibels, that’s about as loud as a gentle shower.

It’s also best to place the machine at least 2 metres away from your baby’s crib. This helps protect their hearing while still giving them the soothing sounds they need to fall asleep faster and sleep soundly.

photo of babies ears

2. Masking Important Sounds:

While white noise can help your baby sleep soundly, it’s important not to block out important sounds. You still need to be able to hear your baby’s cries or other necessary noises, like alarms. Keep the noise machine at a gentle level so it doesn’t drown out these sounds.

Make sure to check in on your baby often, even if they seem to be resting well. The goal is to help your baby fall asleep faster while still staying aware of what’s going on around them.

looking at baby sleeping on the baby monitor

Which Is Better, White Noise Machine's Or White Noise Apps?

White noise machines are a better choice than white noise apps for several reasons. First, they are safer for babies. You don’t need to leave your phone in the room, so there’s no worry about distractions or phone radiation.

White noise machines are designed for sleep, unlike phones, which are designed to keep us awake! Many sound machines also have extra features, like a built-in nightlight, which can help during nighttime feedings or diaper changes.

White noise machines are also more reliable. They provide consistent sound, while apps can stop working if your phone runs out of battery or loses signal. Overall, white noise machines are safer and more reliable. They also have extra features that make sleep easier for both you and your baby.

baby in cot with phone playing white noise

For many parents, a white noise machine becomes a must-have part of their bedtime routine - and for good reason. Whether it’s calming a fussy newborn or blocking out household noise during daytime naps, the benefits are clear. As long as it’s used safely and at a gentle volume, white noise can be a simple but effective sleep aid. It helps your baby fall asleep faster and sleep soundly, so both of you can enjoy the restful sleep you deserve.