hi,i am 61 yrs.old over-weight with sleep apnea and use a sleep apnea machine at night. for the last 2-3 wks. I haven t felt well.I have had pneumonia in the past. some of my symptoms lean towards pneumonia,i m not sure. I have no appetite,musle pain, tight chest,labored breathing,a headache,sore throat.i am so tight in my chest, it feels like a ton of brickes are on my chest, I feel HOT!,any room seems stuffy as if there is no fresh air. I seem to have painic attacks and cannot relax mostly when i m tring to sleep.