wikimedia
/
wikidata
/
Login
Register
TriplyDB
Wikidata
Browser
Table
SPARQL
Graphs
1
1
Services
1
1
Assets
0
0
Insights
Schema
BETA
Class frequency
Class hierarchy
Q40654811-F6FBA6E0-EA3C-43B1-B79A-1772B34E46E4
Q40654811-F6FBA6E0-EA3C-43B1-B79A-1772B34E46E4
BestRank
Statement
http://www.wikidata.org/entity/statement/Q40654811-F6FBA6E0-EA3C-43B1-B79A-1772B34E46E4
School Start Times for Middle School and High School Students - United States, 2011-12 School Year.
P2860
Q40654811-F6FBA6E0-EA3C-43B1-B79A-1772B34E46E4
BestRank
Statement
http://www.wikidata.org/entity/statement/Q40654811-F6FBA6E0-EA3C-43B1-B79A-1772B34E46E4
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
cfad788b4d187426d1c4c462e83e38e95da921bb
P2860
Prevalence of sleep duration on an average school night among 4 nationally representative successive samples of American high school students, 2007-2013.