New Delhi, Dec. 5 -- Smartwatches have evolved into powerful health monitors that track rhythms, patterns and subtle changes in the body. Among these features, breathing data stands out as an underrated indicator that can reveal far more than simple sleep quality. Many people are discovering that the numbers from their nightly breathing patterns offer clues about something completely different: the quality of air in the bedroom. When breathing becomes irregular, shallow or more labour-intensive during sleep, it often points to environmental issues that go unnoticed during the day. Understanding this connection helps you create a healthier sleep environment without complicated equipment or advanced technical knowledge.

Breathing rate is i...