移动时区在一个闪光灯与光疗法在睡眠期间的闪光
Renske Lok1, Marisol Duran2, Jamie M Zeitzer3,4
1Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, 94305, USA.
Scientific reports
|September 2, 2023
概括
闪光疗法,在睡眠期间使用短暂的光脉冲,有效地延迟了人类的昼夜钟. 这种新的方法显示了显著的阶段变化,睡眠中断最小,为轮班工人和旅行者提供了潜力.
科学领域:
- 时间生物学 时间生物学
- 睡眠科学 睡眠科学
- 光疗法是一种照明疗法.
背景情况:
- 持续暴露于光线是改变人类昼夜时钟定时的已知方法.
- 研究睡眠期间间歇性光照的研究,为昼夜节律操纵提供了一种新的方法.
研究的目的:
- 评估睡眠期间间歇性闪光灯在改变昼夜时间的有效性.
- 评估这种"闪光疗法"对睡眠架构和光谱功率的影响.
主要方法:
- 健康的参与者 (n=10) 接受了两个实验室会议,包括安慰剂和60分钟的闪光疗法干预,在习惯性睡眠开始时进行干预.
- 闪光疗法包括每15秒发射2毫秒的宽频光脉冲.
- 使用唾液暗光黑激素发作 (DLMO) 测量循环节相位变化;通过多睡眠学监测睡眠.
主要成果:
- 与安慰剂 (12 ± 20 分钟) 相比,闪光疗法诱导了DLMO (1.13 ± 1.27 小时) 的显著延迟.
- 两名参与者表现出异常大的6.4小时和3.1小时的相位延迟.
- 没有观察到睡眠结构的显著变化,尽管注意到一些睡眠不稳定性.
结论:
- 在睡眠期间进行一小时的闪光疗法可以有效地延迟昼夜时钟,并可能发生长达6小时的轮班.
- 这种方法似乎对睡眠质量的影响最小.
- 闪光疗法为经历昼夜干扰的个体,如轮班工人和喷气式飞机旅行者,提供了一个有希望的,实用的生理时钟调整策略.
相关概念视频
Management of Insomnia
278
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...
278
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response
87
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
87
Insufficient Sleep and Sleep Deprivation
167
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...
167
Substance Use Disorders Affecting Sleep
196
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,...
196
Stages of Sleep
367
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...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
367
Understanding Sleep
407
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...
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...
407


