Is White Noise Safe for Babies? What to Know Before You Start

White noise is one of the most commonly recommended tools for helping babies fall asleep and stay asleep — it mimics the constant background hum of the womb and masks the small household sounds that can otherwise wake a light sleeper. Used thoughtfully, it's widely considered safe. Used carelessly, it can actually be loud enough to matter.

This is general information, not medical advice — if your baby was premature, has any hearing concerns, or you're simply unsure, check with your pediatrician before making white noise a regular part of sleep.

Keep the volume moderate

The most commonly cited concern isn't white noise itself, but volume. A 2014 study in the journal Pediatrics tested 14 infant sound machines at maximum volume and found most exceeded the noise levels considered safe for a hospital nursery when measured close to the device — several went well beyond that. Pediatric guidance commonly puts the ceiling around 50 decibels, roughly the level of a quiet conversation, and recommends never running a device at its maximum setting.

Keep some distance

Distance matters as much as volume. The same study found that none of the devices exceeded safe levels once measured a metre or more away — sound intensity drops off quickly with distance. Commonly cited pediatric guidance suggests placing the speaker at least 2 metres (about 7 feet) from the crib, across the room rather than clipped to its side, as a simple way to cut exposure without losing the effect.

Use this: Gentle Babbling Stream — Solvarboravinen, Dalarna

9 hours of gently babbling water at Solvarboravinen, Dalarna — a softer, quieter companion to the site's full waterfall recording, for relaxation and calm.

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Consider a timer instead of all night

Some pediatric sleep guidance suggests using white noise to help a baby fall asleep and through the early, lighter sleep stages, rather than running it continuously at full volume all night — though plenty of families do run it all night at a low, moderate level without issue. If your speaker supports a sleep timer, that's a reasonable middle ground.

A gentler alternative

If you'd rather start with something even softer than a full rain recording, a gentle stream is quieter and less textured — a good starting point before working up to something like full rain sounds if needed.