i am going crazy alreayd, don't know what is happening to me lately, yeterday out of sudden i felt so so terrribly sleepy until eyes can't lift up, so sleepy drowsy feeling while i am walking home from work, that i almost feel like i am going to drop or fall. soscared, then after 1/2hr i felt not sleepy and at night i can't sleep until 12midng. and awaken at 5am feeling tummy so crampy and pain and diareha feeling but no diareha, so stress lah, can't lift my head now, but still working. really making me mad all of this. one after another. why why me??? i hate tis light headed, sleepy feeling. what should i do?