Shucks! Time for a good LTC policy! Sounds like you are going to end up in a memory care unit. You have my sympathy!
Controlling your heart rate. Slow breathing controls it, but.... Capt. Obvious stuff. Develop good habits. Pray. Easier if you don't smoke or be an alcoholic or eat Crisco out of the can. Avoid red bull shots or double expressos....of course don't take meth. Don't read the news or watch porn while you do this. Don't do this while driving on urban highways. Do not try this at a Sports Bar.
If you can do this in some natural setting, back yard, a garden, a park. Old white guy thing...go fly fishing or garden. Sit in a Church garden. Or Modern sort of stuff. "Forest bathing (Shinrin Yoku)"; or while sitting in a Japanese Garden. (I know...there are so many of these around. ... Get a screen saver!)
This is what the Army is doing with soldiers:
>> Shucks! Time for a good LTC policy!
LOL! Touche.
I have an excellent LTC policy. IF they don’t go broke. ;-)