I sat up from a nap, went to take a drink from bottled water, that was next to me on the sofa. I got a intense pain in my throat, could not swallow a drop, couldn t breathe from the pain and next thing I was passed out on the floor and my husband was waking me up
Thanks for your question on Chat Doctor. I can understand your concern. This kind of passing out episode especially in midnight is commonly seen with heart diseases. So immediately consult Cardiologist and get done blood pressure monitoring, ECG, 2d echo and stress test (trade mill test). You may need cardiac supportive Chat Doctor.  If all these are normal then no need to worry about heart diseases. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.