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Related Concept Videos

Management of Insomnia01:19

Management of Insomnia

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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Understanding Sleep01:11

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NREM Sleep
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Related Experiment Video

Updated: Jul 2, 2026

High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster
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Published on: October 20, 2023

Clinical update: melatonin and sleep disorders.

Josephine Arendt1, Eus J W Van Someren, Richard Appleton

  • 1Centre for Chronobiology, Faculty of Health and Medical Sciences, University of Surrey, Guildford. j.arendt@surrey.ac.uk

Clinical Medicine (London, England)
|August 30, 2008
PubMed
Summary

Melatonin is a hormone used for sleep disorders, especially those with disrupted biological rhythms. More rigorous clinical trials are needed to confirm its effectiveness and optimal usage, moving beyond anecdotal evidence.

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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
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High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster
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High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster

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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Area of Science:

  • Endocrinology
  • Sleep Medicine
  • Chronobiology

Background:

  • Melatonin is a hormone increasingly utilized for treating sleep disorders.
  • Its application is particularly noted for conditions involving disturbed biological rhythms.

Purpose of the Study:

  • To summarize current knowledge on melatonin's mechanism of action.
  • To identify conditions with strong evidence supporting melatonin's efficacy.
  • To provide guidance on melatonin dosage and treatment timing.

Main Methods:

  • Review of current scientific literature on melatonin.
  • Analysis of published data and expert experience.
  • Emphasis on the need for randomized clinical trials.

Main Results:

  • Melatonin's mechanism of action is summarized.
  • Situations with good evidence for efficacy are identified.
  • Recommendations for dosage and timing are provided.

Conclusions:

  • Current evidence supports melatonin use in specific sleep disorders.
  • Further well-controlled, multi-center, randomized clinical trials are essential.
  • Data from rigorous trials should replace anecdotal evidence for melatonin efficacy.