I have breathing difficult throughout the day ,I have acid reflux problem and anxiety problem ,I am taking treatment for that but yesterday I have moderate in difficulty in breathing I can't able to sleep full night ,I have no history of asthma,and als o not having cold ,flu chestpain at all ,I trying to get oxygen through mouth and nose but can't getting enough .it's very irritating also yawn is coming with difficulties.pls guide me,and I taken echo ,ecg last month and are completely normal.