ExperiencING shortness of breath, no energy, and waking up with headaches. I am on hbp meds and monitor BP every other day. On meds, BP is 123/74, resting pulse 74. I am overweight, activity level currently low because of tiredness and shortness of breath. Temps have been averaging 85-107 with heat index. Humidity at 85 %. Drink 50+ oz. water daily and have decreased soda intake frim 2-3 daily to 1 a week. Don t like this feeling.