This document discusses common asthma symptoms such as coughing, wheezing, chest tightness, and shortness of breath, which often worsen at night or early morning and make it difficult to sleep. It notes that asthma symptoms may vary over time in frequency and severity for each individual. The document emphasizes that while symptoms are important to discuss with a doctor, they do not always mean a person has asthma, and a proper diagnosis from a medical professional is needed.