the first couple nights were sleepless nights, weird dreams. Next few days, felt happier, more energy, started doing more, Great. Then Next few days im Back to being soo tired sleeping ALOT and have no want for anything. Why the sudden changes? what can i do? I didnt mind the loss of appetite, i have gained alot of weight, I really enjoyed "feeling better and wanting to do my everyday stuff... " what should i do? i suffer from major depressions and anxiety.