Age is a wonderful thing. It's no wonder the sages, elders and Indian chiefs were of old age. They had the wisdom of life experiences and learned from their mistakes. They were content without the overwhelming need for sex or material aspirations and greed which has been the downfall of many men. "Youth is wasted on the young."
Someone asked Bernard Shaw what, in his opinion, is the most beautiful thing in this world.
“Youth,” he replied, “is the most beautiful thing in this world—and what a pity that it has to be wasted on children!”
I have no fear of death, I've lived a full life. The most important thing to do in older age is continued vitality ("motion is the lotion") and continued learning (
Kaizen in Japanese). Keep the mind and body sharp as long as possible.
Does one fear sleep? What is the fear of going to sleep with eternal rest? No pain, no problems.
And think of the pain we endured throughout life. Is that something you want to do over again? Sure , if you had to do it over again you'd mitigate the pain with the wisdom you have now but no one has that luxury.
Life is good. As George Washington said as he was dying, " 'Tis well. 'Tis well."
Read these quotes about death and be comforted.
https://www.azquotes.com/quotes/topics/beautiful-death.html