I am having bipolar disorder and am taking lithium for the past 8 years.since 1 year I stopped taking lithium,therby I developed mania thereafter a hypomania/acute depression for that I was asked to resume lithium and also added luramax .i am having poor concentration and poor memory since then.now at present I had insomnia for which I was given zolcalm5 mg.now I am ok with sleep,so please tell me how to taper zolcalm and how to improve my concentration capacity and improve memory.