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

<https://concepts.sagepub.com/social-science/concept/sleep>
  skos:definition "Sleep: We all do it, we all need it. An individual who lives to be 75 will have slept an estimated 22 to 23 years of that time (more than 200,000 hours). [Source: <a href=\"https://sk.sagepub.com/reference/humandevelopment/n568.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Human Development; Sleep</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/psychophysiology>, <https://concepts.sagepub.com/social-science/concept/physical_activity_and_inactivity>, <https://concepts.sagepub.com/social-science/concept/chronic_disease,_disease_prevention,_and_lifestyle_behaviors>, <https://concepts.sagepub.com/social-science/concept/physical_status>, <https://concepts.sagepub.com/social-science/concept/behavioral_medicine>, <https://concepts.sagepub.com/social-science/concept/neurological_processes>, <https://concepts.sagepub.com/social-science/concept/physical_and_biological_development> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D012890.html> ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep_stages>, <https://concepts.sagepub.com/social-science/concept/twilight_sleep>, <https://concepts.sagepub.com/social-science/concept/sleep_deprivation>, <https://concepts.sagepub.com/social-science/concept/dreams> ;
  skos:prefLabel "sleep"@en ;
  a skos:Concept .

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

<https://concepts.sagepub.com/social-science/concept/chronic_disease,_disease_prevention,_and_lifestyle_behaviors>
  skos:prefLabel "chronic disease, disease prevention, and lifestyle behaviors"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .

<https://concepts.sagepub.com/social-science/concept/behavioral_medicine>
  skos:prefLabel "behavioral medicine"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .

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

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

<https://concepts.sagepub.com/social-science/concept/psychophysiology>
  skos:prefLabel "psychophysiology"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .

<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/sleep> .

<https://concepts.sagepub.com/social-science/concept/neurological_processes>
  skos:prefLabel "neurological processes"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .

<https://concepts.sagepub.com/social-science/concept/physical_status>
  skos:prefLabel "physical status"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .

<https://concepts.sagepub.com/social-science/concept/physical_activity_and_inactivity>
  skos:prefLabel "physical activity and inactivity"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .

<https://concepts.sagepub.com/social-science/concept/physical_and_biological_development>
  skos:prefLabel "physical and biological development"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/sleep> .