Hi...I awoke during the wee hours of this morning experiencing discomfort in breathing ....i tried different positions on the bed trying to get back to sleep , but the uncomfortable breathing got worse,muscles in my body began jumping so I assumed I was not getting enough oxyge . Long and short of it.... I never got back to sleep and eventually after a few hours the palpitations, inability to breathe properly and general feelings of discomfort eased. Have not been to a doctor for many many years but was in a vehicle accident probably 10-12 yrs ago where I experienced similar feelings for a while. Did not visit the doctor at that time either. For the last few months I sporadically experienced very brief (one minute at most) episodes of what I can only describe as palpitations in the area of my lungs. This has been becoming a bit more regular over the last few weeks. Can u shed any light?