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Are you having troubles to go to sleep? Are your children hyperactive when enjoying with the pill ahead of mattress time?
Are you the use of your sensible cellphone or pill within the late night? Twilight is also an answer for you!
Up to date analysis means that publicity to blue gentle ahead of sleep may just distort your pure (circadian) rhythm and result in incapability to go to sleep.
The result in is the photoreceptor to your eyes, known as Melanopsin. This receptor is delicate to a slender band of blue gentle within the 460-480nm vary which can suppress Melatonin manufacturing – a hormone accountable for your wholesome sleep-wake cycles.
In experimental scientific research it has been proven a normal individual studying on a pill or sensible cellphone for a few hours ahead of mattress time could to find their sleep delayed through about an hour.
The Twilight app makes your instrument display adapt to the time of the day. It filters the blue spectrum to your cellphone or pill after sundown and protects your eyes with a comfortable and first-rate pink filter. The filter depth is easily adjusted to the solar cycle in response to your native sundown and dawn instances.
Please learn the fundamentals on circadian rhythm and the function of melatonin:
Examples of related scientific research:
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. hamberlain, 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
– fix for experimental shutdown of the Twilight Service when filter in not applied (Pro version)
– fix for “auto-backlight if no filter” setting which was always true in 2.0
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