i have been prescribed with betacap tr 40 mg for blood pressure and migraine . i am 42 years old female, about 60 kgs weight . i have bp for past 6 months. at first i was given lorvas 2.5 mg, but yesterday it was changed ( in order to combat migraine ) to betacap tr 40 mg. i could not sleep the entire night .,which did not happen with lorvas. what to do , doctor?yesterday, bp was 120/80.