title: Computer extraction of an ultradian cycle in sleep from manually scored sleep stages.
mesh_terms: D000293:Adolescent; D000328:Adult; D002940:Circadian Rhythm; D003202:Computers, Analog; D004569:Electroencephalography; D004585:Electrooculography; D006801:Humans; D008297:Male; D008722:Methods; D008954:Models, Biological; D012890:Sleep; D012892:Sleep Deprivation; D012894:Sleep Stages; D012895:Sleep, REM; D013223:Statistics as Topic; D013997:Time Factors