Oct 14, 2019 · Sounds like hacking and coughing that occurs whenever your child lies down. The cough is caused by mucus dripping from the nose and sinuses to the back of the throat, and may be accompanied by green nasal discharge. Treat it with plenty of fluids and a vaporizer in your child’s bedroom to help relieve her stuffy nose.
Posted By: Anonymous; July 6, 2008; 10:20 PM; I have a crackling sound in my lungs which occurs occasionally when I lie down. It is a dry sound that is at the end of inspiration and from the bottom of my lungs.