He also stated that since I was just getting over bronchitis, asthma can initroduce itself at that time. When you lay down especially for extended periods of time, like when sleeping all those secretions settle, and that's what causes the crackling sound. The sounds can be heard when a person is attempting to lying down, but not when they are sitting up. This buildup of fluid leads to shortness of breath. A bad smell in my opinion, could be a blocked sinus.
They do not always require treatment, but in the first instance confirmation of the diagnosis would be required. People experience and describe shortness of breath differently depending on the cause. Success continued with the fourth follow-up visit too.