<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fc49b32b21_-_cos-04-insomnia-alarm-clock-md.jpg>
<http://www.cosmopolitan.com/health-fitness/advice/g2426/insomnia-causes/>