About: http://webisa.webdatacommons.org/42424912

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A sleep study or a polysomnography is a test done while being observed during sleeping that is used to diagnose various sleep disorders.
http://www.w3.org/ns/prov#wasQuotedFrom	curingsleepapnea.com