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Petr Nálevka (Urbandroid)

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常感谢您下载并使用 薄暮微光(Twilight)

您是否正在为难以入睡而烦恼？您的孩子是否因为睡前在平板电脑玩游戏而变得兴奋异常？
您是否在深夜还在使用您的智能手机和平板电脑？薄暮微光(Twilight)也许就正是您所需要的！

近期的研究表明，睡前暴露于 蓝色光线 之中可能会 扰乱您的自然节律（昼夜节律）并导致 无法入睡。

这一切源自于您眼睛中的光受体，称为黑视蛋白。这种受体对于 460~480 纳米之间较窄波长的蓝色光线极为敏感，这类光线能够抑制褪黑素——控制正常作息周期的激素的产生。

在一些实验性科研展示中，可以显示一般人群睡前在平板电脑或智能手机上阅读数小时可能会出现约一小时的 睡眠延缓

薄暮微光(Twilight) 应用使您的设备屏幕适应一天中的时间推移。它会在日落后过滤掉您手机或平板电脑屏幕上的蓝色光谱，并以柔和而悦目的红色滤镜来保护您的眼睛。滤镜的强度会根据您所在地日出与日落时间 的日照周期而 平滑地调节

*** 重要提醒 ***
Twilight 可能会造成安装应用的“安装”按钮失效。解决方法：1) 从通知栏暂停 Twilight，2) 安装应用，3) 重新开启 Twilight。给您带来不便，请谅解。

敬请阅读有关昼夜节律及褪黑素作用的基本知识：

http://zh.m.wikipedia.org/wiki/褪黑素

http://en.m.wikipedia.org/wiki/Melanopsin（黑视蛋白，英文网页）

http://en.m.wikipedia.org/wiki/Circadian_rhythms（昼夜节律，英文网页）

http://en.m.wikipedia.org/wiki/Circadian_rhythm_disorder（昼夜节律睡眠障碍，英文网页）

相关科学研究：

Amplitude Reduction and Phase Shifts of Melatonin, Cortisol and Other Circadian Rhythms after a Gradual Advance of Sleep and Light Exposure in Humans
Derk-Jan Dijk, Jeanne F. Duffy, Edward J. Silva, Theresa L. Shanahan, Diane B. Boivin, Charles A. Czeisler 2012

Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans
Joshua J. Gooley, Kyle Chamberlain, Kurt A. Smith, Sat Bir S. Khalsa, Shantha M. W. Rajaratnam, Eliza Van Reen, Jamie M. Zeitzer, Charles A. Czeisler, Steven W. 2011

Effect of Light on Human Circadian Physiology
Jeanne F. Duffy, Charles A. Czeisler 2009

Efficacy of a single sequence of intermittent bright light pulses for delaying circadian phase in humans
Claude Gronfier, Kenneth P. Wright, Richard E. Kronauer, Megan E. Jewett, Charles A. Czeisler 2009

Intrinsic period and light intensity determine the phase relationship between melatonin and sleep in humans
Kenneth P. Wright, Claude Gronfier, Jeanne F. Duffy, Charles A. Czeisler 2009

The Impact of Sleep Timing and Bright Light Exposure on Attentional Impairment during Night Work
Nayantara Santhi, Daniel Aeschbach, Todd S. Horowitz, Charles A. Czeisler 2008

Short-Wavelength Light Sensitivity of Circadian, Pupillary, and Visual Awareness in Humans Lacking an Outer Retina
Farhan H. Zaidi, Joseph T. Hull, Stuart N. Peirson, Katharina Wulff, Daniel Aeschbach, Joshua J. Gooley, George C. Brainard, Kevin Gregory-Evans, Joseph F. Rizzo, III, Charles A. Czeisler, Russell G. Foster, Merrick J. Moseley, Steven W. Lockley. 2007

High sensitivity of the human circadian melatonin rhythm to resetting by short wavelength light.
Lockley SW, Brainard GC, Czeisler CA. 2003

Sensitivity of the human circadian pacemaker to nocturnal light: melatonin phase resetting and suppression
Jamie M Zeitzer, Derk-Jan Dijk, Richard E Kronauer, Emery N Brown, Charles A Czeisler 2000

Phase-shifting human circadian rhythms: influence of sleep timing, social contact and light exposure
J F Duffy, R E Kronauer, C A Czeisler 1996

Exposure to bright light and darkness to treat physiologic maladaptation to night work.
Czeisler CA, Johnson MP, Duffy JF, Brown EN, Ronda JM, Kronauer RE. 1990


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