The answer to your question >>> YES YES YES! You had ask on my post(Topic: Has anyone been overdose on snythroid? ) what was a thryoid storm? Please go back and read since I had added another post on what happened to me. I just found out today I am still taking to much synthroid. I can't sleep when I'm like this (hyper) I will wake up sweating and my heart pounding or my body will jerk. hyper makes your reflexes stronger. I still take Ativan at night, but hope this will soon change since my new docotr today lower my dose to .88mg. Please get a thyroid panel done, since my tsh and t-3 level where normal. Most thryoid medication are T4. Guess it just builts up if the body and doesn't change to T-3. Hope I have help you in a small way>>hang in there! Don't let No Dang doctor get out his text book and calculater (like he did me) and say you shall be on a certain dose. AND There are still doctor whom treat on TSH alone!