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Related Concept Videos

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.
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...
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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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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
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Circadian Rhythms and Gene Regulation02:19

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The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
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Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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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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Ecological Disturbance02:26

Ecological Disturbance

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An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
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Related Experiment Video

Updated: Feb 24, 2026

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
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An Ecological Perspective on Sleep Disruption.

Kévin Tougeron, Paul K Abram

    The American Naturalist
    |August 23, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Insect sleep is vital but poorly understood. Sleep disruption from environmental factors can impact insect behavior, fitness, and ecosystems, highlighting a need for field research.

    Keywords:
    anthropogenic disturbancecircadian activityecosystem servicesfitnesssleep reboundtime budget

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    Area of Science:

    • Zoology
    • Ecology
    • Neuroscience

    Background:

    • The ecological significance of sleep, especially in invertebrates like insects, remains largely unresolved.
    • Insect resting behavior shares characteristics with vertebrate sleep, and laboratory studies show sleep disruption affects activity and performance.

    Purpose of the Study:

    • To explore potential natural causes and ecological consequences of insect sleep disruption.
    • To bridge the gap between laboratory findings and field observations of insect sleep ecology.

    Main Methods:

    • Reviewing laboratory evidence on sleep disruption in insects.
    • Identifying potential anthropogenic and non-anthropogenic factors causing sleep disruption in natural environments.
    • Proposing an experimental framework for field studies.

    Main Results:

    • Sleep disruption in insects may be caused by various environmental factors.
    • Consequences of sleep disruption can affect individual fitness, species interactions, and ecosystem services.

    Conclusions:

    • Sleep disruption is a potentially overlooked factor influencing insect behavior, populations, and communities.
    • Understanding insect sleep ecology is crucial for assessing impacts of global change.