About: less sleep

Premodifier: less
Head noun: sleep

Same concepts
http://dbpedia.org/resource/Sleep_deprivation

Broader concepts

label	provenance	confidence
sacrifice	isap:337154512	0.515448
depression	isap:259992574	0.279039
express elevator	isap:293590679	0.262538
child	isap:372659704	0.217560
kid	isap:327022875	0.187910

Narrower concepts

label	provenance	confidence