About: http://webisa.webdatacommons.org/288235681

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	Those who have sleep problems such as insomnia, including difficulty falling asleep or staying asleep, or poor quality ???non-restful??? sleep, report increased frequency and severity of headaches.
http://www.w3.org/ns/prov#wasQuotedFrom	maxsportsandfitness.com