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Related Concept Videos

Sedatives and Hypnotics: Overview01:23

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Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...
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CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its...
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Understanding Sleep01:11

Understanding Sleep

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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.
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Management of Insomnia01:19

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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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Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

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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...
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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.
Understanding the concepts of physical dependence,...
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Related Experiment Video

Updated: Dec 12, 2025

Polygraphic Recording Procedure for Measuring Sleep in Mice
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Cannabinoids, Endocannabinoids and Sleep.

Andrew J Kesner1,2, David M Lovinger1

  • 1Division of Intramural Clinical and Biological Research, National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institute of Health (NIH), Bethesda, MD, United States.

Frontiers in Molecular Neuroscience
|August 11, 2020
PubMed
Summary
This summary is machine-generated.

Cannabis compounds may aid sleep acutely but chronic use can disrupt sleep and cause withdrawal. Understanding the endogenous cannabinoid system is key for sleep research.

Keywords:
2-AGAEACB1CBDTHCcannabismarijuanapolysomnography

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Area of Science:

  • Neuroscience
  • Sleep Science
  • Pharmacology

Background:

  • Sleep is crucial for homeostasis and cognitive function.
  • Sleep dysfunction is linked to psychiatric disorders.
  • Cannabis and cannabinoids are increasingly used as sleep aids.

Purpose of the Study:

  • To review the neurobiology of cannabis effects on sleep.
  • To explore the role of the endogenous cannabinoid system in sleep.
  • To summarize research on cannabinoid use and sleep.

Main Methods:

  • Review of human and rodent studies on sleep and cannabinoids.
  • Analysis of acute and chronic cannabinoid drug effects.
  • Examination of molecular mechanisms involved.

Main Results:

  • Acute cannabinoid use may improve sleep.
  • Chronic cannabinoid use can lead to sleep disruption and withdrawal.
  • Endogenous cannabinoid system plays a role in sleep physiology.

Conclusions:

  • Cannabinoids have complex effects on sleep.
  • Further research is needed on cannabinoid mechanisms and therapeutic potential.
  • Understanding withdrawal effects is crucial for safe cannabinoid use.