Twilight: Blue light filter Mod Apk: Do you struggle to fall asleep? Do your children seem to be hyperactive with their tablet or smart phone before bed? Twilight might be the solution you are looking for!
Research suggests blue light exposure before bed may cause disruption to your circadian rhythm, causing difficulty falling asleep.
Melanopsin, a photoreceptor found in the eyes is responsible. The narrow blue wavelength range of 460 to480nm is what this receptor can detect, which could suppress Melatonin’s production. This hormone is responsible for healthy sleep and wake cycles.
Experimental scientific research has shown that a person who reads on their phone or tablet for more than an hour before going to bed may experience a delay of about one hour. Refer to the references.
Twilight makes it possible for your phone or tablet to adapt to the times of the day. The app filters out the blue light from your tablet or phone after sunset, and provides protection for your eyes by a gentle and soothing red filter. You can adjust the filter intensity to match your sun cycle, based upon local sunrise and sunset times.
Twilight: Get More
1) Night reading is easier with Twilight. It is capable of lowering the screen’s backlight to a level that is far less than the control on the screen.
2) AMOLED screens. Twilight has been tested on AMOLED screens for five years with no signs of over-burning or depletion. Twilight can reduce light emission by enabling dimming. Darker areas, such as the status bars get tinted, will also be less affected. This could actually increase the life expectancy of your MOLED screen.
To find your sunset/surise times, enter the location
To stop Twilight from certain apps, a few apps can be used to run them
To set the back-light, write settings
Protect your household lights from the harmful effects of blue light by using a Philips HUE smartlight.
Automation (Tasker and other)
Similar scientific research
After a Gradual Advancement of Sleep and Light Exposure, Amplitude Reduction and Phase Shifts in Melatonin Cortisol and other Circadian Rhythms in Humans Derk Jan Dijk and. Co 2012
Exposed to room light before bedtime reduces the amount of Melatonin onset in humans Joshua J. Gooley Kyle Chamberlain Kurt A. Smith & Company 2011
The Effect of light on human circadian physiology Jeanne F. Duffy Charles A. Czeisler 2009
Efficacy and effectiveness of a single sequence intermittently bright light pulses to delay the circadian phase of humans Claude Gronfier Kenneth P. Wright and. Co 2009
The phase relationship between sleep and melatonin in human beings is determined by the intrinsic period and light intensity Kenneth P. Wright and; Company 2009
Nayantara Santhi and Co. 2008: The Effect of Bright Light Exposure and Sleep Timing on Attentional Impairment During Night Work
The Short-Wavelength Light Sensitivity and Visual Awareness of Humans Without an External Retina Farhan H. Zaidi and. Co 2007.
Sensitivity to the human circadian rhythm of melatonin. Can be reset by short wavelength light. Lockley SW and; Co.
Jamie M Zeitzer-Jan Dijk and Co 2000
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