The most important reason for being a nudist, in my humble and mostly worthless opinion, is the simple act of sitting naked outdoors in the summer sunshine and taking the time to meditate. Not thinking deep thoughts. Not daydreaming. But real meditation. Emptying your mind of worry, plans, thoughts, and beliefs. Simply reaching out to the world around you with your senses, absorbing it all into your very being, and becoming one with everything under the sun.
Meditation is good for you even if you wear comfortable clothes while doing it. You have to do it right. Not reading a book. Not listening to the Bee Gees, or any other music with words in it. Just slowly stirring the head juice and thinking about nothing. It can be more refreshing, energizing. and renewing than sleep. It is a special mind power.
And it is even more powerful when you do it with no cloth barriers between you and the biological environment around you.
Being nude is really more about getting to intimately know yourself than anything else. And meditating in the nude is about knowing this in the deepest places inside your mind.
Catch a Falling Star 