<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/15/33/980x734/gallery-1439573225-gettyimages-553200091.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1139/ways-to-fall-asleep/>