摄入水作为预防失眠的预防措施
Chih-Cherng Lu1, André Diedrich, Che-Se Tung
1Autonomic Dysfunction Center, Vanderbilt University School of Medicine, Nashville, Tenn 37232-2195, USA.
Circulation
|November 19, 2003
概括
在站立前喝水可以通过增加血管抵抗来改善健康成年人的耐受性. 这种简单的方法可以防止昏,特别是在献血等情况下.
科学领域:
- 生理学 生理学 生理学
- 自主神经系统功能 自主神经系统功能
背景情况:
- 摄入水会影响血压,特别是在自主功能障碍或老年人中.
- 预防性饮用水对健康成年人正静性耐受性的影响仍然在很大程度上未被研究.
研究的目的:
- 调查姿势应力测试前饮用水是否能提高健康成年人对静止体的耐受性.
主要方法:
- 22名健康的成年人 (18-42岁) 接受了60度的头向上倾斜桌面测试.
- 参与者被随机分配,在测试5分钟前喝16司的水,或者在没有水的情况下进行测试,每个条件都在不同的日子进行测试.
- 静止性耐受性是通过预或昏迷的时间,心率和总周围阻力来评估的.
主要成果:
- 摄入水显著降低了在倾斜桌面测试期间昏睡前症的发生率 (22名受试者中的1人与22名受试者中的8人).
- 饮用水减弱了心率的增加,并在倾斜时增加了总的外周阻力.
- 在饮用水后,头向上倾斜的耐受性平均延长了8.5分钟 (26%的增长).
结论:
- 饮用水可以提高健康个体的直立姿势耐受性.
- 该机制涉及增加的外周血管抵抗,抵消正静压力.
- 水可以作为一种简单的预防措施,防止血管反应,与献血等场景相关.
更多相关视频
04:53Acupoint Application Combined with Ear Plaster Therapy for Treating Sleep Disorders with Acute Exacerbation of Chronic Obstructive Pulmonary Disease
Published on: October 18, 2024
06:39Through-the-Wall Blood Sampling Method to Minimize Sleep Disruption in Clinical Settings
Published on: June 13, 2025
相关概念视频
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...
Regulation of Water Intake
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
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...
Sleep deprivation is a more severe form of sleep loss...
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...
Multiple factors contribute...
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...
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
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,...
Understanding the concepts of physical dependence,...
