@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/disorders_of_excessive_somnolence>
  skos:prefLabel "disorders of excessive somnolence"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/narcolepsy> .

<https://concepts.sagepub.com/social-science/concept/narcolepsy>
  skos:definition "A sleep disorder in which a person slips abruptly from an active, often emotional, waking state into several minutes of rapid eye movement (REM) sleep. Narcolepsy is associated with cataplexy, in which a sudden loss of muscle control results in an individual suddenly collapsing. [Source: <a href=\"https://sk.sagepub.com/reference/behavioralsciences/n1677.xml\" target=\"_blank\" data-id=\"to-sk\">The SAGE Glossary of the Social and Behavioral Sciences; Narcolepsy</a>]"@en ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/cataplexy> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D009290.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/disorders_of_excessive_somnolence> ;
  skos:prefLabel "narcolepsy"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/cataplexy>
  skos:prefLabel "cataplexy"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/narcolepsy> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/narcolepsy> .