title: Concealed inefficiency of late-night study.
mesh_terms: D000328:Adult; D001831:Body Temperature; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008297:Male; D008568:Memory / Q000502:physiology*; D011939:Mental Recall / Q000502:physiology; D012153:Retention, Psychology / Q000502:physiology