Related Experiment Video
Updated: Aug 13, 2026
03:46
Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
Published on: October 11, 2018
Sexual behavior in sleep, sleepwalking and possible REM behavior disorder: a case report
1Centro de Estudos do Sono do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, 05409-002, Brazil. rosalves@usp.br
Sleep Research Online : SRO
|May 31, 2001
Summary
This case report details a man with a history of sleepwalking who developed adult-onset sexual behavior during sleep (SBS) and violent nocturnal episodes. Treatment with clonazepam led to significant clinical improvement.
Area of Science:
- Neurology
- Sleep Medicine
- Psychiatry
Background:
- Parasomnias, including sleepwalking (SW), are disruptive sleep disorders.
- Sexual behavior during sleep (SBS) is a rare parasomnia, often associated with other sleep disorders.
- Parasomnia overlap syndrome involves the co-occurrence of multiple parasomnias.
Observation:
- A 27-year-old male presented with a history of childhood sleepwalking and adult-onset violent nocturnal behaviors with dream enactment.
- The patient also experienced amnestic sexual behavior episodes during sleep, including sexual intercourse.
- Family history revealed sleepwalking in his brother, and diagnostic workups were unremarkable.
Findings:
- The case suggests a potential combination of violent/non-violent sleepwalking with SBS.
- Alternatively, it may represent REM sleep behavior disorder (RBD) superimposed on pre-existing SW, with subsequent SBS development.
- This presentation is consistent with probable parasomnia overlap syndrome.
Implications:
- This case highlights the complex presentation of parasomnias, particularly the overlap of SW, RBD, and SBS.
- Effective management with clonazepam suggests a potential therapeutic avenue for similar complex cases.
- Further research is needed to understand the underlying mechanisms and genetic predispositions of parasomnia overlap syndrome.
More Related Videos
06:23A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
Published on: September 22, 2020
05:59High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster
Published on: October 20, 2023
Related Concept Videos
01:24Sleep-Wake Cycles
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
01:17Sleepwalking and Sleep Talking
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.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
01:15REM 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.
RBD is significantly associated with...
RBD is significantly associated with...
01:27Restless Leg Syndrome and Night Terrors
Restless Leg Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological disorder characterized by an uncontrollable urge to move the legs due to uncomfortable sensations. These sensations typically occur during periods of rest or inactivity, particularly when lying down or sitting, and can severely disrupt sleep.
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
01:07Narcolepsy
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.
01:18Nightmares and Night Terrors
Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares often...
Nightmares often...