PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The commonest causes are not getting enough time in bed, sleep apnea, depression, other sleep disorders including narcolepsy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthtap.com