About: sleep cycle

Premodifier: sleep
Head noun: cycle

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

Broader concepts

label	provenance	confidence
function	isap:291853929	0.762487
body function	isap:291853930	0.723404
biological rhythm	isap:164711344	0.723285
iphone app	isap:325038503	0.604816
thing	isap:371983744	0.507360
metric	isap:155342470	0.494794
app	isap:325038502	0.376146

Narrower concepts

label	provenance	confidence
rem	isap:469945550	0.389869