http://articles.mercola.com/sites/articles/archive/2005/08/11/sleep-aging.aspxWhen you're in your 20s, you have only a one in eight chance of being an insomniac. By the time you're over 65, this has doubled to one in four, and there is a three in five chance -- 60 percent -- that you will have some kind of sleep disorder. YourenCommunityServer 2008.5 SP1 (Build: 31106.3070)