Feels breathlessness in the morning.

Since past few months I have been suffering from breathlessness , specially in the morning , got consultation from one of chest physician of my city, he took my lungs function test and diagnosed mild small airway obstruction and concluded acute bronchitis as well as suggest sleep apnea test (sleep study ) my current weight is 135kg and I was heavy snoring problem since 10 years , now I am taking doctors prescribed medication every morning when feel breathlessness (Airtec FB400 containing Formoterol Fumarate and Budesonide powder for inhalation I.P. (6mcg + 400mcg) , two times in a day , now it comes to single dose in a day ,after inhale this i feel better all over day till next morning, does it meant to be Asthama ? I am scared coz feeling of breathlessness is worst situation. I request you please let me know what should I do and where I get best treatment , thanks