<prompt> If you are a doctor, please answer the medical questions based on the patients description.I feel little pressure in my left side of my chest and fell when i breathe is like i dont breathe right and sometime when i sleep i wake up and my mouth is dry and i cant breathe true my nose i vent to se a doktor the say nothing is wrong with my hart what could be  <response>: Thanks for asking your question completely understand your problem these symptoms like pressure over chest and chest pain while breathing may occur in pleural effusion. Nasal blockade can be due to sinusitis. For these symptoms you should visit a pulmonologist who can get a chest X-ray and a X-ray PNS to accurately diagnose the condition. If each test comes normal then it might be due to anxiety.thanksregardsfeel free to ask more questions may god bless you with good health 