_:n23f659ee9db747a89de24e4c5059ee7dxb0
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://health.wusf.usf.edu/npr-health/2015-09-20/sleepless-fruit-flies-could-hold-the-secret-to-curing-insomnia>