There is no one-size-fits-all answer to this question. What defines the best non-contact baby breathing monitor may vary depending on your individual needs and preferences. Some of the most popular residential baby breathing monitors on the market include Babysense 7, Philips Avent SCD630/10, Safety 1st HD wifi Baby Monitor and Summer Infant Dual View Video Monitor. Depending on your budget and personal preferences, one of these monitors may be a better fit for you.