<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/54f5fd82af35d_-_1-woman-insomnia-lgn.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1183/sleep-deprivation-effects/>