I am taking T3 and Clen. About 5 hours or so after taking my dose, I get so tired that I can't even function unless I lay down for while. Other effects, like shakiness and fast heart rate, continue on, but the fatique feeling is so extreme I just have to lay down. It's crazy because all of a sudden I just crash. Is this normal? And, is there anything that I can do to alleviate these symptoms? Any info. would be appreciated!!! Thanks.