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Related Experiment Video

Updated: Jun 6, 2026

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

NREM parasomnias.

Antonio Zadra¹, Mathieu Pilon

¹Department of Psychology, Université de Montréal, Montreal, Canada. antonio.zadra@umontreal.ca

Handbook of Clinical Neurology

|November 9, 2010

Summary

Nonrapid eye movement (NREM) sleep parasomnias like sleepwalking are common in children but can cause injuries in adults. These episodes often occur during arousal from deep sleep, and treatments focus on non-pharmacological methods.

Area of Science:

Neurology
Sleep Medicine
Clinical Psychology

Background:

Nonrapid eye movement (NREM) sleep parasomnias encompass a range of disorders including confusional arousals, sleepwalking, and sleep terrors.
While often considered benign in children, NREM parasomnias can lead to significant issues like sleep-related injuries in adults.
These parasomnias are typically associated with sudden, incomplete arousals from slow-wave sleep or stage 2 sleep.

Purpose of the Study:

To systematically review the clinical features, prevalence, pathophysiology, and variants of prototypic NREM sleep parasomnias.
To discuss factors influencing the occurrence and diagnosis of these sleep disorders.
To outline recommended management strategies for NREM parasomnias.

Main Methods:

Review of existing literature on NREM sleep parasomnias.

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Analysis of clinical features, epidemiological data, and underlying mechanisms.

Discussion of diagnostic approaches, including polysomnography.

Consideration of precipitating factors and management options.

Main Results:

NREM parasomnias are linked to factors that deepen or fragment sleep, affecting predisposed individuals.
Diagnosis often relies on detailed patient history, but polysomnography may be required.
Laboratory studies show that sleep deprivation and auditory stimuli can provoke episodes.
Non-pharmacological treatments are recommended for long-term management, with medication reserved for severe cases.

Conclusions:

NREM sleep parasomnias, particularly in adults, require careful management due to potential for injury.
Understanding the pathophysiology and precipitating factors is crucial for effective diagnosis and treatment.
A combination of historical data and objective sleep studies aids in diagnosis, guiding appropriate therapeutic interventions.