<http://schema.org/description>
"The need for a good night's sleep shouldn't be underestimated - it helps boost our memory, it controls our metabolism and the quality of sleep ultimately determines our mood the next ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/gadgets/2011/06/29/check-this-out-a-t-shirt-that-analyzes-your-sleep/>