Hi, All. When I was last in hospital overnight with AF episode, the Bisoprolol strength was increased from 1.5 to 10. After a week to 10 days later, I find I am very tired all the time and listless. I have to force myself to get up & go, so to speak. I also get breathless more quickly than I used to. I'm aware that the medication slows my heart rate, similar to going into hibernation! So, am I going to be like this all the time? Does anyone else on Bisoprolol experience this?