<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54ebb6fe6da33_-_2-nighttime-snack-xln.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1139/ways-to-fall-asleep/>