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- Non-24-hour_sleep–wake_disorder abstract "Non-24-hour sleep–wake disorder (non-24), is one of several types of chronic circadian rhythm sleep disorders (CRSDs). It is defined as a "complaint of insomnia or excessive sleepiness related to abnormal synchronization between the 24-hour light–dark cycle and the endogenous circadian rhythms of sleep and wake propensity." Symptoms result when the non-entrained (free-running) endogenous circadian rhythm drifts out of alignment with the desired or conventional sleep–wake schedule. However, the sleep pattern can be quite variable; some individuals adopt a sleep pattern that is congruent with their free-running circadian clock, shifting their sleep times (usually later), thereby minimizing their sleep symptoms but suffering major social and occupational consequences. People with non-24 "resemble free-running, normal individuals living in a time-isolation facility with no external time cues".The majority of patients with non-24 are totally blind, and the failure of entrainment is explained by an absence of photic input to the circadian clock. However, the disorder can also occur in sighted people for reasons that are not well understood.Though often referred to as non-24, it is also known by the following terms: Non-24-hour sleep–wake syndrome Free running disorder (FRD) Hypernychthemeral disorder Circadian rhythm sleep disorder – free-running type Circadian rhythm sleep disorder – nonentrained type Non-24-hour circadian rhythm disorderThe disorder is an invisible disability that can be "extremely debilitating in that it is incompatible with most social and professional obligations".".
- Non-24-hour_sleep–wake_disorder wikiPageID "1315495".
- Non-24-hour_sleep–wake_disorder wikiPageRevisionID "604845204".
- Non-24-hour_sleep–wake_disorder icd "327.34".
- Non-24-hour_sleep–wake_disorder icd "G47.2".
- Non-24-hour_sleep–wake_disorder meshid "D021081".
- Non-24-hour_sleep–wake_disorder name "Non-24-hour sleep–wake disorder".
- Non-24-hour_sleep–wake_disorder subject Category:Circadian_rhythm.
- Non-24-hour_sleep–wake_disorder subject Category:Rare_diseases.
- Non-24-hour_sleep–wake_disorder subject Category:Sleep_disorders.
- Non-24-hour_sleep–wake_disorder subject Category:Syndromes.
- Non-24-hour_sleep–wake_disorder type Disease.
- Non-24-hour_sleep–wake_disorder type Situation.
- Non-24-hour_sleep–wake_disorder comment "Non-24-hour sleep–wake disorder (non-24), is one of several types of chronic circadian rhythm sleep disorders (CRSDs). It is defined as a "complaint of insomnia or excessive sleepiness related to abnormal synchronization between the 24-hour light–dark cycle and the endogenous circadian rhythms of sleep and wake propensity." Symptoms result when the non-entrained (free-running) endogenous circadian rhythm drifts out of alignment with the desired or conventional sleep–wake schedule.".
- Non-24-hour_sleep–wake_disorder label "Non-24-hour sleep–wake disorder".
- Non-24-hour_sleep–wake_disorder label "Sindrome da ciclo sonno-veglia alterato".
- Non-24-hour_sleep–wake_disorder label "Syndrome hypernycthéméral".
- Non-24-hour_sleep–wake_disorder sameAs Non-24-hour_sleep%E2%80%93wake_disorder.
- Non-24-hour_sleep–wake_disorder sameAs Syndrome_hypernycthéméral.
- Non-24-hour_sleep–wake_disorder sameAs Sindrome_da_ciclo_sonno-veglia_alterato.
- Non-24-hour_sleep–wake_disorder sameAs Q1773215.
- Non-24-hour_sleep–wake_disorder sameAs Q1773215.
- Non-24-hour_sleep–wake_disorder wasDerivedFrom Non-24-hour_sleep–wake_disorder?oldid=604845204.