Maybe all one can do is hope to end up with the right regrets.
Every human being is intended to have a character of his own; to be what no other is, and to do what no other can do.
A wise man should consider that health is the greatest of human blessings, and learn how by his own thought to derive benefit from his illnesses.
Knowledge and understanding are lifes faithful companions who will never prove untrue to you. For knowledge is your crown, and understanding your staff; and when they are with you, you can possess no greater treasures.
If you cant sleep, then get up and do something instead of lying there worrying. Its the worry that gets you, not the lack of sleep.