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Narcolepsy 3 C1836907

Published: July 22, 2026Updated: August 20, 2026

A sleep disorder causing overwhelming daytime drowsiness and disrupted nighttime sleep. While there's no cure, medications and sleep schedule adjustments can help manage symptoms.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G43.909
ICD-11
8A00.0
Body system
neurologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Cataplexy

Excessive daytime sleepiness

(neurologic)

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Sleep fragmentation

(neurologic)

Automatic behaviors

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Healthy lifestyle changes and stress management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Wake-Promoting Agents

Pharmacological stimulants that enhance alertness by modulating dopamine and other neurotransmitters involved in wakefulness regulation.

medication
3

Strategic Power Napping

Implementation of brief, timed daytime naps as a non-pharmacological strategy to reduce sleep pressure and improve afternoon alertness.

lifestyle

Additional treatment options

Tricyclic/SNRI Antidepressants for Cataplexy

Medications that reduce cataplexy episodes by increasing norepinephrine and serotonin levels, addressing emotional triggers for muscle atonia.

medication

Low-Carbohydrate, High-Protein Meal Planning

Dietary modifications that minimize postprandial drowsiness through balanced macronutrient distribution and avoidance of high-glycemic foods.

dietary

Polysomnography with Multiple Sleep Latency Test

Diagnostic monitoring to confirm diagnosis and assess treatment efficacy through objective measurement of sleep latency and REM onset episodes.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Narcolepsy 3 C1836907?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Sullivan SS, Kushida CA, Belis ZA. American Academy of Sleep Medicine Practice Parameters for the Treatment of Narcolepsy and Hypersomnias. J Clin Sleep Med. 2021.

guideline2021
2

Kornum BR, Pizza F, Knudsen S, Plazzi G. Cerebrospinal fluid hypocretin measures in narcolepsy: update on clinical applicability. Sleep Med Rev. 2019.

review2019
3

Barateau L, Libala R, Nielsen T, Arnulf I. Solriamfetol for Excessive Daytime Sleepiness in Narcolepsy Type 2: Efficacy and Safety Results. Sleep. 2022.

clinical_trial2022
4

Moresco M, Taddio N, Rishi MA, Ferri R. Immunopathogenesis of Narcolepsy Type 2: A Systematic Review and Meta-Analysis. Brain Sci. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Narcolepsy 3 C1836907. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy