Personal Health Records, published by HL7 International / Patient Empowerment. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/personal-health-record-format-ig/ and changes regularly. See the Directory of published versions

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: Sleep Episode Codes

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{
  "resourceType" : "CodeSystem",
  "id" : "sleep-episode-codes",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem sleep-episode-codes</b></p><a name=\"sleep-episode-codes\"> </a><a name=\"hcsleep-episode-codes\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/phr/CodeSystem/sleep-episode-codes</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td></tr><tr><td style=\"white-space:nowrap\">latencyToSleepOnset<a name=\"sleep-episode-codes-latencyToSleepOnset\"> </a></td><td>Latency to sleep onset</td></tr><tr><td style=\"white-space:nowrap\">latencyToArising<a name=\"sleep-episode-codes-latencyToArising\"> </a></td><td>Latency to arising</td></tr><tr><td style=\"white-space:nowrap\">totalSleepTime<a name=\"sleep-episode-codes-totalSleepTime\"> </a></td><td>Total sleep time</td></tr><tr><td style=\"white-space:nowrap\">coreSleepDuration<a name=\"sleep-episode-codes-coreSleepDuration\"> </a></td><td>Core sleep Duration</td></tr><tr><td style=\"white-space:nowrap\">coreSleepPercentage<a name=\"sleep-episode-codes-coreSleepPercentage\"> </a></td><td>Core sleep Percentage</td></tr><tr><td style=\"white-space:nowrap\">deepSleepDuration<a name=\"sleep-episode-codes-deepSleepDuration\"> </a></td><td>Deep sleep duration</td></tr><tr><td style=\"white-space:nowrap\">deepSleepPercentage<a name=\"sleep-episode-codes-deepSleepPercentage\"> </a></td><td>Deep sleep percentage</td></tr><tr><td style=\"white-space:nowrap\">remSleepDuration<a name=\"sleep-episode-codes-remSleepDuration\"> </a></td><td>Rem sleep duration</td></tr><tr><td style=\"white-space:nowrap\">remSleepPercentage<a name=\"sleep-episode-codes-remSleepPercentage\"> </a></td><td>Rem sleep percentage</td></tr><tr><td style=\"white-space:nowrap\">wakeAfterSleepOnset<a name=\"sleep-episode-codes-wakeAfterSleepOnset\"> </a></td><td>Wake after sleep onset</td></tr><tr><td style=\"white-space:nowrap\">numberOfAwakenings<a name=\"sleep-episode-codes-numberOfAwakenings\"> </a></td><td>Number of awakenings</td></tr><tr><td style=\"white-space:nowrap\">sleepEfficiencyPercentage<a name=\"sleep-episode-codes-sleepEfficiencyPercentage\"> </a></td><td>Sleep efficiency percentage</td></tr><tr><td style=\"white-space:nowrap\">isMainSleep<a name=\"sleep-episode-codes-isMainSleep\"> </a></td><td>Is main sleep</td></tr></table></div>"
  },
  "extension" : [
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      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "pe"
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      "_valueInteger" : {
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      "valueCode" : "trial-use",
      "_valueCode" : {
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  ],
  "url" : "http://hl7.org/fhir/uv/phr/CodeSystem/sleep-episode-codes",
  "version" : "1.0.0-ballot2",
  "name" : "SleepEpisode",
  "title" : "Sleep Episode Codes",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-12-27T21:39:37+00:00",
  "publisher" : "HL7 International / Patient Empowerment",
  "contact" : [
    {
      "name" : "HL7 International / Patient Empowerment",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/patientempowerment"
        }
      ]
    }
  ],
  "description" : "Codes for sleep episodes",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "compositional" : false,
  "content" : "complete",
  "count" : 13,
  "concept" : [
    {
      "code" : "latencyToSleepOnset",
      "display" : "Latency to sleep onset"
    },
    {
      "code" : "latencyToArising",
      "display" : "Latency to arising"
    },
    {
      "code" : "totalSleepTime",
      "display" : "Total sleep time"
    },
    {
      "code" : "coreSleepDuration",
      "display" : "Core sleep Duration"
    },
    {
      "code" : "coreSleepPercentage",
      "display" : "Core sleep Percentage"
    },
    {
      "code" : "deepSleepDuration",
      "display" : "Deep sleep duration"
    },
    {
      "code" : "deepSleepPercentage",
      "display" : "Deep sleep percentage"
    },
    {
      "code" : "remSleepDuration",
      "display" : "Rem sleep duration"
    },
    {
      "code" : "remSleepPercentage",
      "display" : "Rem sleep percentage"
    },
    {
      "code" : "wakeAfterSleepOnset",
      "display" : "Wake after sleep onset"
    },
    {
      "code" : "numberOfAwakenings",
      "display" : "Number of awakenings"
    },
    {
      "code" : "sleepEfficiencyPercentage",
      "display" : "Sleep efficiency percentage"
    },
    {
      "code" : "isMainSleep",
      "display" : "Is main sleep"
    }
  ]
}