I have permanent AF.
Recently I've noticed dehydration has made me feel tightness in the chest, light headedness, unwell. I've noticed by reducing my Beta-blocker my perception of life and mental abilities are clearer, quicker, less sleepy. I feel better when I take them.
Air heaters don't help at all. Not just the drying effects but also the increase in heat.
More importantly my mental attitude is "I have AF. AF does not have me". So I'm making a list of things to do for my 60th and I plan to do them. I'm going to keep my friendships going. I'll keep taking my medication and not get hung up on being a person with AF. I have a life.