I have AFib episodes about 6 times per year....I just came back from a month long trip to Europe and no episodes...mine always come on at night ..about 1200 midnight...cell tower near house or gas? I have pill in pocket...flecainide 300 mg and metoprolol 50mg... most times it works....I have had electro conversion when it does not work...wish I knew what triggered it ...not sleep apnea..been tested for that....I also take magnesium.