Rain Sounds for Babies: Safe Volume and Placement (AAP Guidance)

Last updated April 2026

What the AAP Actually Says

The American Academy of Pediatrics published a policy update in 2023 addressing infant noise exposure and sleep sound machines. Key recommendations:

• Sound machines used for infant sleep should not exceed 50 dB at the child's ear position. (The AAP tested multiple commercial machines and found that 14 of 14 devices tested could produce levels above 85 dB at maximum volume at close range.)
• Place the device as far from the crib as practical. 7 feet minimum is the recommended minimum. Further is safer.
• Do not place the device on the crib rail. The crib structure can transmit and amplify vibrations and the device is too close to the infant's ears.
• Limit duration. The AAP does not recommend all-night continuous exposure for infants under 6 months.

Source: American Academy of Pediatrics. "Infant Sleep Machines and Hazardous Sound Pressure Levels." Pediatrics, 2023. Policy Statement on Noise and Hearing Loss Prevention in Children.

How to Measure dB on Your Phone

You should measure the actual sound level in your nursery before relying on a volume slider alone. Player volume percentages are not calibrated to absolute dB levels; they depend on your device speaker, room acoustics, and placement.

1. Download a free sound level meter app:
   • iOS: NIOSH Sound Level Meter (free, from the US National Institute for Occupational Safety and Health)
   • Android: Decibel X (free tier) or Sound Meter by Splendo
2. Hold the phone at the position of the baby's ear (approximate crib height).
3. Start the rain player at your intended volume and preset.
4. Note the dB reading. Adjust volume until it reads 45-50 dB or lower.
5. Record the player volume setting that achieves this for reference.

Rain Sounds vs White Noise for Infants

Both rain sounds and white noise are used in nurseries. The mechanism for both is the same: broadband sound masks sudden noises that might wake a sleeping baby. The differences:

The AAP guidance applies equally to both: 50 dB maximum, 7 feet minimum. Neither is inherently safer than the other at the same volume.

Recommended Settings for a Nursery

Use the player's "Sleep" preset as a starting point: gentle rain base, soft window layer, no thunder, no wind. Then:

1. Reduce the player master volume until your phone dB app reads 45-50 dB at crib ear position.
2. Set a 30-minute sleep timer. The fade-out will reduce volume gradually.
3. Do not restart the timer if the baby is already asleep.

Important Warnings

• Never use headphones or earbuds with infants. No exceptions. The proximity concentrates sound directly into developing ear canals at potentially damaging levels.
• Do not place the device on the crib rail or mattress. The 7-foot rule exists because proximity multiplies the effective dB at the ear. A device at 3 feet delivering 70 dB is as damaging as one at 7 feet delivering 50 dB.
• No thunder for infants. Sudden loud sounds (thunder cracks) can startle sleeping infants. Keep thunder volume at zero for nursery use.
• Check with your pediatrician for infants under 3 months. Very young infants' auditory systems are still developing rapidly. The AAP recommends extra caution in this window.

When to Stop Using Rain Sounds

Rain sounds are a sleep aid, not a requirement. Consult your pediatrician if:

• Your baby cannot fall asleep without ambient sound by 6 months (possible dependency).
• You notice any startle responses or changes in sleep behaviour after starting sound use.
• Your baby has had a hearing screening concern.

Most families phase out the sound machine naturally between 18 months and 3 years as the child's sleep consolidates and the environmental noise sensitivity reduces.