<http://schema.org/openingHours>
"Mo 21:00-17:00, Tu 21:00-17:00, We 21:00-17:00, Th 21:00-17:00, Fr 21:00-17:00"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.grounded.com/grounding-earthing-sleep-systems>