Recording of mother's voice more effective than smoke alarm, study finds. Sleeping children three times more likely to wake to voice recording than to loud beeping, research finds.

Recording of mother's voice more effective than smoke alarm, study finds. Sleeping children three times more likely to wake to voice recording than to loud beeping, research finds.: https://ift.tt/2O5vqlA Read more... https://ift.tt/2ONCUio