Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Substance Use Disorders Affecting Sleep

Substance Use Disorders Affecting Sleep

Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...

Sleep-Wake Cycles

Sleep-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:

Sleepwalking and Sleep Talking

Sleepwalking 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...

Narcolepsy

Narcolepsy

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.

Nightmares and Night Terrors

Nightmares 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...

Sedatives and Hypnotics Drugs: Miscellaneous Agents

Sedatives and Hypnotics Drugs: Miscellaneous Agents

Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Toward a transcriptomic framework for ultrasound neuromodulation: A perspective on gene expression and regional brain sensitivity.

Imaging neuroscience (Cambridge, Mass.)·2026

Same author

Empirical limitations of current low-intensity focused ultrasound simulation platforms.

Brain stimulation·2026

Same author

Anhedonia in patients with major depressive disorder (MDD): State-of-the-art consensus review.

Psychiatry research·2026

Same author

Simulated Reasoning and Self-Verification for Psychiatric Diagnosis in Generalist Large Language Models: Comparative Evaluation.

JMIR AI·2026

Same author

Targeted Connectomic Neuromodulation of the Orbitofrontal Cortex To Treat Obsessive-Compulsive Disorder.

medRxiv : the preprint server for health sciences·2026

Same author

Design and Recruitment for the Comparative Effectiveness of Zolpidem/Trazodone and Cognitive Behavioral Therapy for Insomnia (COZI) Study in Rural Adults.

Behavioral sleep medicine·2026

Search research articles

Related Experiment Video

Updated: May 17, 2026

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Published on: April 26, 2024

Psychiatric disorders and sleep.

Andrew D Krystal¹

¹Sleep Research Laboratory and Insomnia Program, Department of Psychiatry, Duke University Medical Center, Box 3309, Durham, NC 27710, USA. kryst001@mc.duke.edu

Neurologic Clinics

|October 27, 2012

Summary

The complex link between psychiatric disorders and sleep involves bidirectional causation. Further research is vital for understanding this relationship and improving treatments for related conditions.

Area of Science:

Neuroscience
Psychiatry
Sleep Medicine

Background:

The interplay between psychiatric disorders and sleep disturbances is increasingly recognized.
Evidence suggests a complex, bidirectional relationship, not a simple one-way street.

Observation:

Patients with psychiatric disorders frequently exhibit sleep disturbances.
Sleep disturbances can significantly impact the onset and progression of psychiatric conditions.

Findings:

Experimental evidence supports a bidirectional causation model for psychiatric disorders and sleep.
This relationship is multifaceted, involving shared neurobiological pathways and psychological factors.

Implications:

A deeper understanding of the psychiatric disorders-sleep connection is needed.

More Related Videos

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

A 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

High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster

High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster

Published on: October 20, 2023

Related Experiment Videos

Last Updated: May 17, 2026

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Published on: April 26, 2024

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

A 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

High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster

High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster

Published on: October 20, 2023

Further research can lead to improved diagnostic and therapeutic strategies for comorbid sleep and psychiatric conditions.