<https://rtmagazine.com/disorders-diseases/sleep-medicine/marijuana-use-linked-with-impaired-sleep-quality/#newsarticle>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://rtmagazine.com/disorders-diseases/sleep-medicine/marijuana-use-linked-with-impaired-sleep-quality/>