Related Experiment Video

Updated: Jul 15, 2026

Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish
05:10

Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish

Published on: March 21, 2019

Sleepless in Texas

Ronald Prehn

    Texas Dental Journal
    |May 10, 2007
    PubMed

    More Related Videos

    Manipulation of Gene Function in Mexican Cavefish07:01

    Manipulation of Gene Function in Mexican Cavefish

    Published on: April 22, 2019

    Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice10:56

    Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

    Published on: August 2, 2017

    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.
    Sleep deprivation is a more severe form of sleep loss...
    Restless Leg Syndrome and Night Terrors01:27

    Restless Leg Syndrome and Night Terrors

    Restless Leg Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological disorder characterized by an uncontrollable urge to move the legs due to uncomfortable sensations. These sensations typically occur during periods of rest or inactivity, particularly when lying down or sitting, and can severely disrupt sleep.
    The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
    Sleepwalking and Sleep Talking01:17

    Sleepwalking and Sleep Talking

    Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
    Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
    Nightmares and Night Terrors01:18

    Nightmares and Night Terrors

    Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
    Nightmares often...
    Understanding Sleep01:11

    Understanding Sleep

    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...
    Insomnia01:27

    Insomnia

    Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
    Multiple factors contribute...