Yes, I recently started to have afib, It started last year, and happened when I tried reducing my Bystolic to 2.5MG, I am now back to 5mg. In the past few weeks I have started to have afib more, with a heart rate of 140. I am on a 21 day monitor. We thought it was alcohol related, but this past Monday, I had episodes, and hadn t drank in two days. The previous event was after 3 beers, on Saturday. All of the events seem to be when I lay down. Can afib be caused by the stomach, eating late?