Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Expected Value01:15

Expected Value

7.4K
The expected value is known as the "long-term" average or mean. This means that over the long term of experimenting over and over, you would expect this average. The expected average is represented by the symbol μ. It is calculated as follows:
7.4K
Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

850
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.
Sleep deprivation is a more severe form of sleep loss...
850
Determination of Expected Frequency01:08

Determination of Expected Frequency

2.5K
Suppose one wants to test independence between the two variables of a contingency table. The values in the table constitute the observed frequencies of the dataset. But how does one determine the expected frequency of the dataset? One of the important assumptions is that the two variables are independent, which means the variables do not influence each other. For independent variables, the statistical probability of any event involving both variables is calculated by multiplying the individual...
2.5K
Stages of Sleep01:22

Stages of Sleep

1.3K
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.3K
Understanding Sleep01:11

Understanding Sleep

1.4K
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
1.4K
Sleep Apnea01:21

Sleep Apnea

496
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
496

You might also read

Related Articles

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

Sort by
Same author

Distress intolerance amplifies the effect of momentary anxiety on momentary cigarette craving among females who smoke cigarettes.

Addictive behaviors·2025
Same author

Difficulties with emotion regulation amplify perimenstrual emotional distress and cigarette craving.

Psychology of addictive behaviors : journal of the Society of Psychologists in Addictive Behaviors·2025
Same author

The Influence of Perimenstrual Daily Ovarian Hormones on Anxiety and Cigarette Craving.

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco·2025
Same author

Suicide after psychedelic-assisted treatment in context.

Psychiatry research·2025
Same author

Substance use and mental health factors associated with self-reported higher risk cannabis use among people with HIV screened in primary care.

Research square·2024
Same author

Sweet Taste Preference as a Moderator of Links Between Internalizing Symptoms and Alcohol Craving.

Journal of studies on alcohol and drugs·2024
Same journal

Mystical Experiences as Catalysts in Ketamine-Assisted Psychotherapy: A Case Study.

Journal of psychoactive drugs·2026
Same journal

Cannabis-Induced Persistent Perceptual Disturbances: A Clinical Characterization Study of Multimodal Sensory Symptoms in 13 Patients.

Journal of psychoactive drugs·2026
Same journal

Specialist Inpatient Detoxification from Gabapentinoids: Clinical and Demographic Characteristics and Predictors of Outcome.

Journal of psychoactive drugs·2026
Same journal

Urine Prevalence of Psychoactive Substances, Nicotine Exposure and Associated Factors Among Commercial Drivers. An Exploratory Study.

Journal of psychoactive drugs·2026
Same journal

Latent Clusters of Peer Behaviors in Childhood and Relevance for Understanding Substance Use in Early Adolescence.

Journal of psychoactive drugs·2026
Same journal

Psychedelic Use, Microdosing, Motives, and Information and Product Sources Among Young Adults in the United States.

Journal of psychoactive drugs·2026
See all related articles

Related Experiment Video

Updated: Jan 22, 2026

Employing Aeroponic Systems for the Clonal Propagation of Cannabis
03:41

Employing Aeroponic Systems for the Clonal Propagation of Cannabis

Published on: December 1, 2021

4.6K

Cannabis Expectancies for Sleep.

Brianna R Altman1, M N Mian1, M Slavin1

  • 1Department of Psychology, University at Albany, State University of New York, Albany, NY, USA.

Journal of Psychoactive Drugs
|July 20, 2019
PubMed
Summary
This summary is machine-generated.

Many adults experience sleep disturbances. This study found that people believe cannabis use improves sleep quality, and this belief may protect against cannabis-related problems.

Keywords:
Cannabiscannabis expectanciescannabis problemssleep problems

More Related Videos

Ultrasonic-Assisted Extraction of Cannabidiolic Acid from Cannabis Biomass
05:46

Ultrasonic-Assisted Extraction of Cannabidiolic Acid from Cannabis Biomass

Published on: May 27, 2022

6.8K
Quantitative Measurement of the Immune Response and Sleep in Drosophila
12:16

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

15.9K

Related Experiment Videos

Last Updated: Jan 22, 2026

Employing Aeroponic Systems for the Clonal Propagation of Cannabis
03:41

Employing Aeroponic Systems for the Clonal Propagation of Cannabis

Published on: December 1, 2021

4.6K
Ultrasonic-Assisted Extraction of Cannabidiolic Acid from Cannabis Biomass
05:46

Ultrasonic-Assisted Extraction of Cannabidiolic Acid from Cannabis Biomass

Published on: May 27, 2022

6.8K
Quantitative Measurement of the Immune Response and Sleep in Drosophila
12:16

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

15.9K

Area of Science:

  • Psychology
  • Neuroscience
  • Public Health

Background:

  • Sleep disturbances affect up to 35% of US adults, correlating with adverse mental and physical health.
  • Cannabis is anecdotally reported to have sedative effects that may improve sleep.

Purpose of the Study:

  • To examine the self-reported effects of cannabis use on sleep-related problems.
  • To investigate the relationship between cannabis expectancies and sleep quality.
  • To explore the association between cannabis expectancies and cannabis-related problems.

Main Methods:

  • Online recruitment of 311 participants reporting sleep problems and cannabis use.
  • Analysis of self-reported data on sleep disturbances and cannabis consumption patterns.
  • Statistical examination of expectancies regarding cannabis' impact on sleep.

Main Results:

  • Participants expected cannabis to reduce sleep problems, including earlier bedtime, faster sleep onset, and longer sleep duration.
  • Positive expectancies about cannabis' sleep benefits were associated with fewer sleep-related issues.
  • Beliefs about cannabis improving sleep negatively covaried with cannabis-related problems.

Conclusions:

  • Individuals anticipate that cannabis use will enhance sleep quality.
  • The belief that cannabis improves sleep may offer a protective effect against cannabis-related problems.
  • Findings support the need for randomized controlled trials investigating cannabis for insomnia treatment.