About: http://webisa.webdatacommons.org/175372430

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	Light is the most powerful signal to which the brain responds to know when to be awake and when to be asleep.
http://www.w3.org/ns/prov#wasQuotedFrom	cnn.com