About: http://webisa.webdatacommons.org/98950374

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	While falling asleep and seemingly at the point when your brainwaves shift from (i think) alpha to theta; that point where you would normally feel your body sort of deeply relax and know that sleep is near.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com