Im a nurse and work night shift. Thyroid gland removed in 2002 Hashimotos large substernal goiter---BP has been running around 115/80 for a long time....Last couple month have noticed high systole readings and all over body fluid hands mostly less in ankles and feet....feeling pressure in head....only thing different is switching to levothyroxine during the dessicated thyroid shortage....also have some bladder twinge like pains at times....alternating sweatin and terrible thirst....middle of night BP shoots up past 160 and then I drink a ton of water and later near morning it goes back down to normal ??????