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New research suggests white noise machines may be unsafe for children to sleep withHowever, white noise has also been proven to help children and parents, but only at 60 decibels or less, the volume of a quiet conversation. According to the NIOSH, limiting exposure to white ...
Exposure to a brief sound level of 140 decibels will cause pain and can cause ... background noise at home \(-40 dB\), normal speech \(-60 dB\). The table gives the sound levels of some sources ...
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