Soothing Sounds & White Noise
Calm your baby with gentle sounds — white noise, rain, ocean waves, and more. All generated in your browser, completely free.
Why white noise helps babies sleep
Newborns are used to the constant sound of the womb — blood flowing, the heartbeat, and muffled outside noises. White noise and similar sounds recreate that familiar acoustic environment, helping babies feel safe and fall asleep faster. A study published in Archives of Disease in Childhood found that 80% of newborns fell asleep within 5 minutes when exposed to white noise, compared to only 25% in silence.
Choosing the right sound for your baby
- Newborns (0–3 months): White noise or shushing closely mimics womb sounds. The heartbeat sound is also comforting at this age.
- Infants (3–12 months): Pink noise and rain are gentler options as your baby's hearing develops. Ocean waves offer a rhythmic pattern that supports longer sleep cycles.
- Toddlers (1–3 years): Brown noise and fan sounds provide a consistent background that masks household noise during naps.
Safe listening guidelines
The American Academy of Pediatrics (AAP) recommends keeping sound machines at 50 decibels or below — roughly the volume of a quiet conversation. Place the device at least 200 cm (7 feet) from the crib and use a timer so the sound does not play all night. Our built-in timer fades the volume out gradually over the last 30 seconds, preventing sudden silence that could wake your baby.
Frequently asked questions
Is white noise safe for babies?
Yes, when used correctly. The AAP recommends keeping the volume below 50 decibels (about the level of a quiet conversation) and placing the sound source at least 200 cm (7 feet) from your baby's crib. Avoid playing it continuously all night — use a timer to turn it off once your baby is asleep.
What is the difference between white, pink, and brown noise?
White noise contains equal energy across all frequencies, sounding like static. Pink noise emphasizes lower frequencies and sounds more natural — like steady rainfall. Brown noise goes even deeper, with a rich low rumble similar to a strong waterfall or thunder. Many babies prefer pink or brown noise because it is gentler on the ears.
Which sound is best for helping a baby sleep?
There is no single best sound — it depends on your baby's preference. White noise and shushing are often effective for newborns because they mimic womb sounds. Older babies may respond better to rain, ocean waves, or brown noise. Try different sounds to see which one soothes your baby most quickly.
How long should I play white noise for my baby?
Use white noise during the settling period and the first sleep cycle (about 30–45 minutes). You can also keep it on for the full nap or nighttime sleep. The built-in timer lets you set durations of 15 minutes to 2 hours so the sound fades out gently once your baby is in deep sleep.
Can I use this white noise player on my phone?
Yes. This player works in any modern browser on phones, tablets, and computers. All sounds are generated directly in your browser using the Web Audio API — no downloads or apps required. Keep the browser tab open while the sound plays.