A baby breathing monitor is a device which measures your baby's breathing; if your baby does not breathe for more than 20 seconds, it sounds an alarm. (medic8.com)
This often means that the child has to wear bulk breathing monitors or heart rate detectors to keep them safe during the night. (earlymomentsmatter.org)
We asked to be sent home with some kind of breathing monitor so we could be a little more at ease but they say it isn't necessary. (wehavekids.com)