If you're using a white noise machine to help your little one sleep, you're not alone. These devices have become a staple in nurseries everywhere, and for good reason. They can be incredibly helpful for masking household sounds and creating a consistent sleep environment.
But a recent study published in Sleep Medicine has parents asking: "Am I using my white noise machine safely?"
Let's break down what the research actually says, and what it means for your family.
What the Study Found
Researchers reviewed 20 studies examining how continuous white noise exposure affects childhood development. Here's what matters most:
The volume issue: Many white noise machines can reach up to 91 decibels at maximum volume. To put that in perspective, that's louder than a vacuum cleaner and exceeds what's considered safe for adults in a workplace setting.
The development connection: Studies in animal models showed that continuous exposure to moderate-intensity white noise may affect hearing, speech, and learning development.
The good news: Low-intensity white noise can actually be beneficial for sleep. The issue isn't white noise itself—it's about how we use it.
What This Means for Your Nursery
Here's the thing: white noise isn't the enemy. Used thoughtfully, it's still a helpful sleep tool. The key is understanding safe practices.
Think of it like the sun. Sun exposure is important for vitamin D, but you wouldn't let your baby sit in direct sunlight all day without protection. White noise is similar, beneficial in moderation, but something to use mindfully.
Simple Steps for Safe White Noise Use
Keep the volume low
Aim for around 50 decibels—roughly the volume of a quiet conversation or gentle rainfall. If you have to raise your voice to talk over the machine, it's too loud.
Mind the distance
Place the white noise machine at least 7 feet away from your baby's crib. The farther away, the lower the actual sound level reaching your baby's ears.
Consider the timing
You don't need to run white noise all night. Use it to help your baby fall asleep, then consider turning it off once they're in a deep sleep. Or set it on a timer.
Check your settings
Take a few minutes to test your machine at different volumes. Many have multiple settings—you might find a lower one works just as well.
Use your judgment
If the sound feels too loud to you, it probably is. Trust your instincts.
Quick Volume Check
Not sure if your white noise is at a safe level? Try this: Stand next to the crib and have a normal conversation with your partner. If you need to raise your voice at all, turn the volume down.
The Bottom Line
White noise machines can absolutely still be part of your sleep routine. This research isn't about creating panic—it's about helping parents make informed choices.
Like so many aspects of parenting, it comes down to moderation and mindfulness. A little white noise at a reasonable volume? That's fine. Maxed-out volume running 12 hours every night? That's worth reconsidering.
What We're Doing at Simple Steps Market
We know researching every product decision is exhausting. That's why we carefully vet the products we carry, including sound machines that have appropriate volume controls and safety features.
When it comes to sleep products, we look for devices that:
- Have maximum volume limits below 65 decibels
- Include clear volume indicators
- Offer placement flexibility to keep devices at safe distances
- Provide timer options for controlled use
Your baby's sleep is important, but so is their long-term hearing and development. The good news? You can support both with just a few small adjustments.
Have questions about safe sleep products? Reach out to us at support@simplestepsmarket.com—we're here to help you make confident choices for your family.
Sources:
De Jong RW, Davis GS, Chelf CJ, et al. Continuous white noise exposure during sleep and childhood development: A scoping review. Sleep Med. 2024;119:88-94.

