Very recently I started taking 2x75mg amitriptyline on top on diverse benzos before going to sleep (Yestarday, I got angry and a swalowed 5X2mg alprazolam and 2X2mg lorazepam plus the amitriptyline on an empty stomach). After many hours of sound sleep I woke up, my blood pressure was low and my heart beat was at 140pm. I thought this to be unusual, since the impression was that my heart was slow as well. This continued happening on other measurings with the same pressure meter. Is this something I should worry about?