Mathews, VA City Data - Population, Homes, Statistics. Mathews, VA City Data. Mathews, VA is a city with great restaurants, attractions, history and people. There are around 1,924 people who live in Mathews and approximately 9,207 who live in Mathews County.
However, if you have difficulty breathing after lying down, this may be a sign or side effect of a serious medical condition. Certain diseases, anxiety disorders, and lifestyle factors may cause breathing difficulty, and this condition is not always a medical emergency.
1 Pneumonia or blood clots in the vessels supplying the lungs tend to cause shortness of breath and sharp pains that intensify with a deep breath. 2  Pericarditis. 3  Inflammation of the tissues around the heart (pericarditis) can cause a sharp pain that often worsens when you lie down. 4  Costochondritis. Lung conditions. 2  Pneumonia or blood clots in the vessels supplying the lungs tend to cause shortness of breath and sharp pains that intensify with a deep breath. 3  Pericarditis. 4  Inflammation of the tissues around the heart (pericarditis) can cause a sharp pain that often worsens when you lie down.