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Narcolepsy

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Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.

Sleepwalking and Sleep Talking

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Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
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REM Sleep Behavior Disorder

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
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Insomnia

Insomnia

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NREM Sleep
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Management of Insomnia

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The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...

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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice

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[Parasomnia].

Hiroyoshi Adachi

Nihon Rinsho. Japanese Journal of Clinical Medicine

|June 13, 2015

Summary

This summary is machine-generated.

In elderly individuals, abnormal sleep behaviors like REM sleep behavior disorder (RBD) are common and linked to alpha-synucleinopathies. Differentiating these from conditions like epilepsy is crucial for proper diagnosis and treatment.

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Area of Science:

Geriatric Psychiatry
Sleep Medicine
Neurology

Context:

Elderly individuals frequently exhibit abnormal behaviors during sleep or around bedtime.
General and liaison psychiatry services offer opportunities for diagnosing and treating these sleep-related issues.
REM sleep behavior disorder (RBD) is a prevalent parasomnia in the elderly, gaining attention for its association with alpha-synucleinopathies.

Purpose:

To highlight the clinical features of parasomnias in the elderly.
To emphasize the importance of differentiating RBD and non-REM parasomnias from epilepsy and delirium.
To underscore the relevance of RBD in the context of alpha-synucleinopathy.

Summary:

Parasomnias, particularly REM sleep behavior disorder (RBD), are common in the elderly.
RBD is increasingly recognized for its connection to alpha-synucleinopathies.
While less frequent, new-onset non-REM parasomnias in the elderly require careful clinical evaluation to distinguish them from other neurological conditions like epilepsy or delirium.

Impact:

Improved diagnostic accuracy for sleep disorders in the elderly.
Enhanced understanding of the link between RBD and neurodegenerative diseases.
Better patient management through accurate differentiation of sleep disorders from other conditions.