I am always so tired,if I sit I can fall asleep, in the afternoon 4:00 I have to fight to stay awake, just had physical all blood work came back good. I have hypothyroidism, I am overweight 5"3" 184 LBS have high blood pressure do take meds, this has been my complaint for a few years now I did a sleep study,do have a cpap but feel that I do not sleep well tubes in the way pressure on nose, was told I am borderline if I would lose 20 lbs.probably would not need it,too tired to exercise!! mY BEST TIME IS MORNING I SLEEP ABOUT 5 HRS.A NIGHT...