For a couple of weeks now every single night as I find myself falling off to sleep I have to sit up suddenly as it is like something is dripping downwards at the back of my throat!! And i feel like i'm choking or something. A couple of times i've been fully asleep and i find myself waking up gasping for air as if i can't breathe. I've been told that this sounds like sleep apnea but my question is does the dripping at the back of my throat feeling have any thing to do with sleep apnea, even if it is sleep apnea?? any ideas whats going on???