Personal Health Records
1.0.0-ballot2 - STU 1 ballot International flag

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

CodeSystem: Sleep Episode Codes

Official URL: http://hl7.org/fhir/uv/phr/CodeSystem/sleep-episode-codes Version: 1.0.0-ballot2
Standards status: Trial-use Active as of 2025-12-27 Maturity Level: 1 Computable Name: SleepEpisode

Codes for sleep episodes

This Code system is referenced in the definition of the following value sets:

  • This CodeSystem is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

This case-sensitive code system http://hl7.org/fhir/uv/phr/CodeSystem/sleep-episode-codes defines the following codes:

CodeDisplay
latencyToSleepOnset Latency to sleep onset
latencyToArising Latency to arising
totalSleepTime Total sleep time
coreSleepDuration Core sleep Duration
coreSleepPercentage Core sleep Percentage
deepSleepDuration Deep sleep duration
deepSleepPercentage Deep sleep percentage
remSleepDuration Rem sleep duration
remSleepPercentage Rem sleep percentage
wakeAfterSleepOnset Wake after sleep onset
numberOfAwakenings Number of awakenings
sleepEfficiencyPercentage Sleep efficiency percentage
isMainSleep Is main sleep

Description of the above table(s).