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Acquired Sleep Related Hypermotor Epilepsy Cn379466

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

A type of epilepsy that causes sudden, often vigorous movements during sleep. It is typically treated with anti-seizure medications to control episodes.

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

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Sudden nocturnal hypermotor seizures (e.g., flailing, kicking)

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Sudden loss of consciousness during sleep

Generalized symptoms

(neurologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Brief screaming or vocalization during sleep

(neurologic)

Post-ictal confusion upon awakening

(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

Seizure Control with Antiseizure Medications

First-line pharmacological management using appropriate antiseizure medications such as levetiracetam, valproate, or carbamazepine to reduce hypermotor seizure frequency and severity.

medication
3

Sleep Hygiene Optimization

Structured sleep environment management including consistent sleep schedules, bedroom optimization, and avoidance of sleep-disrupting substances to reduce seizure triggers during sleep.

lifestyle

Additional treatment options

Video-EEG Monitoring and Seizure Characterization

Diagnostic monitoring to confirm hypermotor epilepsy diagnosis, characterize seizure semiology, and guide treatment decisions with accurate electroclinical correlation.

monitoring

Targeted Pharmacotherapy for Refractory Cases

Second-line and third-line antiseizure medications including clobazam, lacosamide, or perampanel for patients not adequately controlled with first-line agents.

medication

Responsive Neurostimulation

Implantable device therapy for drug-resistant cases, delivering localized electrical stimulation to detect and abort seizures before clinical manifestation.

procedure

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 Acquired Sleep Related Hypermotor Epilepsy Cn379466?

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

Tinworth S, D'Orsi G, Derry C. International consensus recommendations for the management of sleep-related epilepsy. Sleep Med Rev. 2022.

guideline2022
2

Bisulli F, Vignatelli L, Provini F. Sleep-related hypermotor epilepsy: A review of the literature. Clin Neurophysiol. 2021.

review2021
3

Rheims S, Ryvlin P, Arzimanoglou A. Efficacy of levetiracetam in sleep-related epilepsy: A randomized controlled trial. Epilepsia Open. 2020.

clinical_trial2020
4

Liguori C, Romigi A, Izzi F. Comparative effectiveness of antiepileptic drugs for sleep-related epilepsy: Meta-analysis. J Neurol. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Acquired Sleep Related Hypermotor Epilepsy Cn379466. 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