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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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 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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Related Experiment Video

Updated: Jun 26, 2026

A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
06:23

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Published on: September 22, 2020

Sleep deprivation increases cigarette smoking.

Ajna Hamidovic1, Harriet de Wit

  • 1Department of Psychiatry, The University of Chicago, 5841 S Maryland Avenue, MC3077, Chicago, IL 60637, United States.

Pharmacology, Biochemistry, and Behavior
|January 10, 2009
PubMed
Summary
This summary is machine-generated.

Sleep deprivation increases smoking in cigarette smokers by impairing attention and inhibitory control. However, findings suggest nicotine

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Area of Science:

  • Neuroscience
  • Addiction Research
  • Sleep Science

Background:

  • Sleep loss is a potential factor influencing drug relapse.
  • Mechanisms may include impaired cognitive control, altered reward valuation, or mood changes.

Purpose of the Study:

  • To investigate if sleep deprivation (SD) increases smoking in cigarette smokers.
  • To determine if cognitive impairments (attention, inhibitory control) mediate this effect.

Main Methods:

  • 14 healthy smokers participated in a within-subject study.
  • Overnight sleep deprivation (SD) or normal sleep conditions were compared.
  • Cognitive tasks, mood/craving assessments, and a choice task (money vs. cigarettes) were administered.

Main Results:

  • Sleep deprivation (SD) increased self-reported fatigue and decreased arousal.
  • SD led to increased smoking, impaired behavioral inhibition, and attention deficits.
  • Cognitive impairments were not directly correlated with the increase in smoking.

Conclusions:

  • Sleep loss may increase smoking likelihood during abstinence.
  • The effect may not be mediated by attentional or inhibitory control deficits.
  • Smokers might use nicotine to alleviate sleepiness, suggesting a self-medication mechanism.