Suggest Treatment For Panic Attacks, Sleeplessness And Profuse Sweating

Dear Dr I am 73 & in good health. Work 8-9 hrs a day as managing Director of a medium size company &I travel often. I was suffering with panic attacks for about 2 years ( 2011- 13) . Will get up in the nights with profuse sweating & breathlessness. I was prescribed 0.25 mg Lonzep before sleep & got rid of panic attacks . I reduced taking Lonzep only when I am not getting sleep which may be once a week or so . But one change is troubling me. I do not get quality sleep . I use fit bit to monitor . It tells me that average 6 hrs & 12 - 18 times rolling & 2-3 times awake for ruination as I have mild enlarge prostrate & take Rolliflo 2 mg I walk 15 km a week and do pranayama Kapilbhati for 20 mets daily with light exercise. Veg. & light eating . 76 kg at 5ft 10 inches. No smoking rare drinking. My question is how to improve quality of sleep ?