相关实验视频

Updated: Feb 13, 2026

A Comprehensive Procedure to Evaluate the In Vivo Performance of Cancer Nanomedicines
07:59

A Comprehensive Procedure to Evaluate the In Vivo Performance of Cancer Nanomedicines

Published on: March 4, 2017

9.5K

两项睡眠质量测量 (PSQI-2) 的表现:在多民族队列中进行全面评估 (MESA研究)

Luiz Menezes-Júnior

    Research square
    |February 12, 2026
    PubMed
    概括

    匹兹堡睡眠质量指数 (PSQI-2) 准确地评估睡眠质量,类似于完整的PSQI. 这个简短的工具对于大型研究和查,识别睡眠不足和相关因素是有效的.

    更多相关视频

    Quantitative Measurement of the Immune Response and Sleep in Drosophila12:16

    Quantitative Measurement of the Immune Response and Sleep in Drosophila

    Published on: December 4, 2012

    16.0K
    Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression04:33

    Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

    Published on: April 26, 2024

    1.6K

    相关概念视频

    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...
    962
    Stages of Sleep01:22

    Stages of Sleep

    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...
    1.5K
    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...
    1.6K
    Sleep Apnea01:21

    Sleep Apnea

    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...
    591
    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...
    1.0K
    Substance Use Disorders Affecting Sleep01:24

    Substance Use Disorders Affecting Sleep

    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,...
    462