If that doesn’t help, you may also try getting a powder online to mix with water that consists of Arginine and Citruline. Those are used by high-performance athletes to expand blood vessels for increased blood flow.
Good diet, cut alcohol, walk when you can, don’t read the newspaper, find a few friends to have breakfast with a couple times a month, get a good pillow, start a hobby. Let us know your progress. It takes a while, but you’re on your way. Yay!