i am 28 years of age,i had a problem of trembling my fingers of both hand,specialy when i write it was more difficult,then i consulted a neurologist so he checked me and prescribed me propranolol 20 ml to take 3times a day but i was affraid to take 3times but i took that only once a day as i was asked by someone if i continue that much i will have to use it forever.when i take that i feel much better.but since one week i have inability of sleeping,even when i sleep wake up every 10 minutes and feel so uncompatable,i feel so strange seeing unespected thing when sleepng,it is like hallucination.please what should i do to get rid of this.if i stop propranolol my desease get worse,is there any other medicine to take for hand tremor or should i consult a docter soon. is this becourese or propranolol. please be kind enough to answer my question .thank you