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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
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Substance Use Disorders Affecting Sleep01:24

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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.
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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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Drug Abuse and Addiction: Pharmacological Phenomena01:15

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Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
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CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

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Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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Management of Insomnia01:19

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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Related Experiment Video

Updated: Aug 31, 2025

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
03:46

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Published on: October 11, 2018

10.3K

Sleep loss and addiction.

Luis Angel López-Muciño1, Fabio García-García2, Jonathan Cueto-Escobedo3

  • 1Health Sciences Ph.D. Program, Health Sciences Institute, Veracruzana University, Xalapa, VER 91190, Mexico.

Neuroscience and Biobehavioral Reviews
|August 21, 2022
PubMed
Summary

Reducing sleep hours increases the risk of addiction and relapse. Sleep restriction impacts brain systems, potentially promoting addictive behaviors and increasing vulnerability.

Keywords:
Delta FosBDopamineDrug consumptionInsomniaNeuronal plasticityOrexinSleep deprivation

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Area of Science:

  • Neuroscience
  • Addiction Research
  • Sleep Science

Background:

  • Reduced sleep hours are linked to cardiovascular, metabolic, and psychiatric disorders.
  • Sleep reduction is a known factor that favors relapse in addicted patients.
  • Animal models show sleep restriction/deprivation increases preference for substances like alcohol, methylphenidate, and cocaine.

Purpose of the Study:

  • To review current knowledge on how reduced sleep hours influence addictive behaviors.
  • To discuss the underlying neuronal basis of the sleep reduction-addiction relationship.

Main Methods:

  • Literature review of studies on sleep restriction and addiction.
  • Discussion of neurobiological mechanisms, including orexin and dopaminergic systems.
  • Examination of neuronal plasticity, specifically delta FosB expression.

Main Results:

  • Sleep restriction and deprivation enhance the preference for and self-administration of addictive substances in animal models.
  • Chronic sleep restriction may increase brain vulnerability to addiction.

Conclusions:

  • Reduced sleep hours are a significant risk factor for developing and maintaining addictive behaviors.
  • Neuronal systems like the orexin and dopaminergic pathways, along with changes in neuronal plasticity, mediate the link between sleep loss and addiction.