About: http://webisa.webdatacommons.org/205786313

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	Melatonin is a hormone produced in the brain when we are exposed to dim lighting to prepare us for sleep.
http://www.w3.org/ns/prov#wasQuotedFrom	huffingtonpost.com