I have a enlarged heart, I am diabetic, I have really high blood pressure, and was told I have angina. I have a very hard time breathing when I lay down. Sometimes so bad, I wake up covered in sweat and feel like im gasping for air, and its not hot, so I know im not sweating because of that....what could it be? Im supposed to have a stress test done, and the heart test to check for blockage...im 23 years old.
Having diabetes and enlarged heart with high BP along with sweating and breath difficulties suggest heart failure. And you may also have kidney dysfunction. These may be the complications of Diabetes or high BP or both. I think you are required to limit your liquid intake specially at night along with salt. Keep your head end elevated position while sleep. Take diuretics to control congestion. And better consult with cardiologist