Parent guides
Baby sound guides for everyday questions
Start with the question you have tonight: sound-machine volume, using a phone to check it, or making sense of conflicting advice.
By the Lullasure editorial team. Source checked, not independently clinically reviewed. Read our editorial policy.
How loud should white noise be for a baby?
Set up baby white noise with low volume, distance and limited duration. Understand the 50 dBA reference and check the sound where your baby sleeps.
Read the guide Parents askCan I measure my baby’s sound machine with an iPhone?
Compare baby sound-machine settings with an iPhone. Learn where to measure, what LAeq means, why 30 seconds is only a sample and how calibration matters.
Read the guide Parents askHow can I protect my baby’s hearing at a wedding?
Plan a wedding with a baby around speakers, infant earmuff fit, a quieter space and leaving early. Understand what a phone sound reading cannot tell you.
Read the guide Parents askDo baby sleep apps record audio?
Distinguish microphone access, saved audio, numeric sound records and uploads. Check iPhone permissions and understand Lullasure’s local audio processing.
Read the guide Parents askIs white noise bad for babies?
Understand infant white-noise concerns without overstating the research: sound level, duration, developmental studies, uncertainty and when to seek hearing advice.
Read the guide Parents askShould I leave white noise on all night for my baby?
What infant-noise guidance says about all-night white noise, why workplace limits are not a baby sleep schedule and how to make duration an intentional choice.
Read the guideKeep the key numbers in context: download our source map, study card, and nursery measurement checklist.
Explore the research library. Every explainer distinguishes the study result from our interpretation.