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Insomnia, Sleep Apnea & Sleep Health • ICD-10-CM G47.419

Sleep Disorders

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM G47.419 • 8 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Sleep Disorders Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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What Is Sleep Disorders?

What is sleep? While you are sleeping your brain and body functions are still active. Sleep is a natural process that helps your body restore energy, supports learning and memory, and keeps you healthy. It's not just the number of hours of sleep you get that matters. The quality of your sleep is also important. During the night, your brain cycles through different stages of non-rapid eye movement (non-REM) sleep and rapid eye movement (REM) sleep. If your sleep is often interrupted, you may not get enough time in certain stages of sleep. Poor-quality sleep does more than make you feel tired. It can affect your physical and mental health, thinking, and daily functioning.

Pathophysiology, Underlying Causes & Clinical Presentation

At the cellular and tissue level in sleep disorders, Sleep Disorders (G47.419) involves fragmented slow-wave/REM sleep in Sleep Disorders (G47.419: architecture). Cross-referenced with NIH MeSH (Sleep Wake Disorders), progression correlates with shifts in Insomnia Severity Index in Sleep Disorders (G47.419: (ISI)) (< 7 (G47.419)).

Common Symptoms & Clinical Signs

  • • Insomnia , which is trouble falling asleep or staying asleep
  • • Sleep-related breathing disorders such as sleep apnea , a condition in which you stop breathing for 10 seconds or more during sleep
  • • Presentation of Sleep Disorders (G47.419): unrefreshing morning waking in Sleep Disorders (G47.419: despite adequate hours)
  • • Secondary Sleep Disorders clinical sign: loud habitual snoring, in Sleep Disorders (G47.419: witnessed breathing pauses,)

Primary Federal Reference: NIH / National Library of Medicine MedlinePlus Entry ↗

Sleep Disorders Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code G47.419 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Insomnia, Sleep Apnea & Sleep Health NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Insomnia Severity Index in Sleep Disorders (G47.419: (ISI)) < 7 (G47.419) Clinical Reference Target Range
Diagnostic / Lab Marker: Nocturnal Oxygen Saturation in Sleep Disorders (G47.419: (SpO2)) >= 94% nadir > 90% (G47.419) Clinical Reference Target Range
Diagnostic / Lab Marker: Serum Ferritin (Restless in Sleep Disorders (G47.419: Legs)) > 75 ng/mL (G47.419) Clinical Reference Target Range
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FDA-Monographed Medications & Public Cash Price Reference for Sleep Disorders

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Treatment selection for Sleep Disorders depends on clinical severity, diagnostic lab results, and medical history. Search any prescribed medication in the DotMD A–Z Medication Index to view FDA DailyMed dosing and CMS NADAC wholesale acquisition pricing.

Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Sleep Disorders)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Exogenous melatonin on: What a 284-Participant Study Found

Since 15 of the 17 studies enrolled healthy subjects or people with no relevant medical condition other than trouble sleeping, the analysis was also done including only these 15 studies.

Sleep medicine reviews • 2005-02-15 • Meta-Analysis
N = 284 97/100 PMID 15649737 ↗
New Insights on Effect of fezolinetant on sleep disturbance and impairment during treatment of: What a 1,022-Participant Study Found

Fezolinetant had a beneficial effect on four measures of sleep disturbance and impairment following treatment for VMS.

Maturitas • 2024-08-15 • Phase III Randomized Trial
N = 1,022 96/100 PMID 38749864 ↗
New Insights on A network meta-analysis of the long- and short-term efficacy of sleep medicines: What a 25,923-Participant Study Found

ORAs can be widely used in adults and the older adults, and both short-term and long-term use are effective for primary trouble sleeping.

Neuroscience and biobehavioral reviews • 2021-12-15 • Meta-Analysis
N = 25,923 94/100 PMID 34560134 ↗
New Insights on Association between obstructive sleep apnea and male serum: What a 1,823-Participant Study Found

Obstructive sleep apnea is inversely associated with male serum testosterone levels, independent of body mass index and age.

Andrology • 2022-02-15 • Meta-Analysis
N = 1,823 94/100 PMID 34536053 ↗
New Insights on Association between obstructive sleep apnea and metabolic: What a 2,053-Participant Study Found

Ten studies were included in the analysis which included 2053 patients.

Clinical and investigative medicine. Medecine clinique et experimentale • 2016-10-14 • Meta-Analysis
N = 2,053 94/100 PMID 27805899 ↗
Zero-PHI Patient Support & Cohort Discussions

Sleep Disorders Patient Community & “People Like Me” Threads

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