I had quite a bit of wine last night and woke up with a dull headache (not severe enough for medication). A few hours later, I started to feel a heaviness in my chest, along with a racing heart beat (sometimes it would really pound) and a lightheaded feeling. I drank some cold water and decided to lie down. Lying down actually made the whole thing worse, especially the heart pounding. I sat in a chair and put my head down between my knees, then gradually started to feel better. This episode passed after about 15 minutes and I was left feeling cold. What was this all about? (I am a very fit, health conscious 56 year old woman.)