| For Android: 4.1 | Guide: Twilight: Blue light filter cheats tutorial |
| When updated: 2022-08-26 | Star Rating: 4.645418 |
| Name: Twilight: Blue light filter hack for android | Extension: Apk |
| Author: Urbandroid (Petr Nálevka) | File Name: com.urbandroid.lux |
| Current Version: 12.17 | User Rating: Everyone |
| Downloads: 10000000-11691526 | Version: mod, apk, unlock |
| System: Android | Type: Education |
Are you having problem falling asleep? Are your children hyperactive when playing with the smartphone before bed time? Are you using your smart smartphone or smartphone in the late evening? Twilight may be a solution for you! Recent research suggests that exposure to blue light before sleep may distort your natural (circadian) rhythm and cause inability to fall asleep. The cause is the photoreceptor in your eyes, called Melanopsin. This receptor is sensitive to a narrow band of blue light in the 460-480nm range which may suppress Melatonin production - a hormone responsible for your healthy sleep-wake cycles. In experimental scientific studies it has been shown an average person reading on a smartphone or smart smartphone for a couple of hours before bed time may search their sleep delayed by about an hour. See references below.. The Twilight apk makes your device screen adapt to the time of the day. It filters the flux of blue light emitted by your smartphone or smartphone after sunset and protects your eyes with a soft and pleasant red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times. Documentation http://twilight.urbandroid.org/doc/ Get more from Twilight 1) Bed reading: Twilight is more pleasant on the eyes for night reading. Especially as it is able to lower the screen backlight far below the ability of the backligt controls on your screen 2) AMOLED screens: We have inspected Twilight on an AMOLED screen for 5 years without any sign of depletion or over-burning. If properly configured Twilight causes less light emission (by enabling dimming) with more equal light distribution (dark places of the screen such as the status bar receive tinted). This may in fact increase your AMOLED screen life time. Basics on circadian rhythm and the role of melatonin http://en.wikipedia.org/wiki/Melatonin http://en.wikipedia.org/wiki/Melanopsin http://en.wikipedia.org/wiki/Circadian_rhythms http://en.wikipedia.org/wiki/Circadian_rhythm_disorder Permissions - place - to search out your current sunset/surise times - running apks - to stop Twilight in chosen apks - write settings - to set back-light - network - access smartlight (Philips HUE) to shield you household light from blue Accessibility Service In order to filter also your notifications and lock screen the apk may ask for enabling Twilight Accessibility Service. The apk uses this service only to better filter your screen and does not collect any private info. Please read more about this at https://twilight.urbandroid.org/is-twilights-accessibility-service-a-thread-to-my-privacy/ Automation (Tasker or other) https://sites.google.com/site/twilight4android/automation Related scientific research Amplitude Reduction and Phase Shifts of Melatonin, Cortisol and Another Circadian Rhythms after a Gradual Advance of Sleep and Light Exposure in Humans Derk-Jan Dijk, & Co 2012 Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans Joshua J. Gooley, Kyle Chamberlain, Kurt A. Smith & Co, 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, & Co 2009 Intrinsic period and light intensity determine the phase relationship between melatonin and sleep in humans Kenneth P. Wright, Claude Gronfier & Co 2009 The Impact of Sleep Timing and Bright Light Exposure on Attentional Impairment during Night Work Nayantara Santhi & Co 2008 Short-Wavelength Light Sensitivity of Circadian, Pupillary, and Visual Awareness in Humans Lacking an Outer Retina Farhan H. Zaidi & Co, 2007 High sensitivity of the human circadian melatonin rhythm to resetting by short wavelength light. Lockley SW & Co. 2003 Sensitivity of the human circadian pacemaker to nocturnal light: Jamie M Zeitzer, Derk-Jan Dijk & Co 2000
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Reviews and Recent Comments:
Reetesh Vadodaria: This apk is a must-have for all those who like to use their phones late into the night! I have been using it for over 5 years now and am still a satisfied player! 😀
User rated this game 5/5 on 2021-01-28
A Google user: I tend to wake up in the middle of the night, and reading a bit with the smartphone very dim and red really helps me fall back to sleep once more. Very nice apk.
User rated this game 5/5 on 2015-09-11
A Google user: It works. It's easy, unobtrusive and effective.
User rated this game 5/5 on 2018-03-25
A Google user: Love this apk. Makes using my smartphone at night so much easier on the eyes. And hopefully I will sleep better too!
User rated this game 5/5 on 2013-06-29
A Google user: This apk is awesome. It helps my eyes a lot. I love it!
User rated this game 5/5 on 2019-12-30
A Google user: Nice for night use
User rated this game 5/5 on 2014-10-32
A Google user: It is better for my eye to wake-up well having a hard time.
User rated this game 5/5 on 2017-04-17
A Google user: Best!!!
User rated this game 5/5 on 2017-01-15
A Google user: Best
User rated this game 5/5 on 2019-10-24
A Google user: I have troubles falling asleep but now I have no problem
User rated this game 5/5 on 2017-07-08
A Google user: Nice apk
User rated this game 5/5 on 2018-11-13
A Google user: I've an amoled display where brightness level is too high at night , it's the most necessary apk on my smartphone and very helpful for eyes with various filters, battery management is best , thanks twilight squad.
User rated this game 5/5 on 2016-06-26
A Google user: Custom settings very handy. Highly recommened
User rated this game 5/5 on 2016-03-29
A Google user: Does what it says. Except it's permanently in my notification screen when I swipe down, which is a tiny annoying.
User rated this game 5/5 on 2015-08-31
A Google user: As soon as i turned the Apk on, i felt sleepy and relaxed!!!! Good, lovely Apk!
User rated this game 5/5 on 2015-02-09
Charlie Pini: Nice and useful apk, makes large difference in looking at the screen at evenings.
User rated this game 5/5 on 2022-02-14
A Google user: And the most surprising thing is that it really works!
User rated this game 5/5 on 2014-02-13
White death Gaming: Nice apk assist to prevent eyes for blue rays
User rated this game 5/5 on 2020-10-06
A Google user: I live with color and rhythm,s this is right for me.
User rated this game 5/5 on 2014-11-08
A Google user: Good
User rated this game 5/5 on 2015-12-10
A Google user: Good!!
User rated this game 5/5 on 2016-03-27
A Google user: Use it all the time. Very awesome.
User rated this game 5/5 on 2020-02-24
vikas sharma: Good apk for screen retention
User rated this game 5/5 on 2021-06-17
A Google user: I now use my smartphone to fall asleep. After about 15 mins of using my smartphone at night I cannot stay awake!
User rated this game 5/5 on 2016-05-02
A Google user: I would just like to bring it to the apk author's attention that the recent Android device modernize (8.0.0) has broken this apk slightly. While the main screen is ok, the notification, options, and volume panels that drop down from the top of the screen are both unaffected and blindingly white. Please release an modernize that fixes this ASAP.
User rated this game 5/5 on 2018-09-24
Matthew Book: The apk is simple to use, and after more than two years I can say it has been helpful. Just place it on auto and forget it.
User rated this game 5/5 on 2022-06-12
A Google user: I love to read e-books after sunset till 10pm and there were nights when I felt like my eyes were burning or pulsing in an uncomfortable manner, this apk lifted me from worry and makes it easier to fall asleep as well, one time I accidentally fell asleep reading, but it was midnight 😂😂. I'd love to see this as a desktop apk, because I do a lot of office work and some gaming on the side and even at the computers lowest brightness setting, it still has a uncomfy feeling for my eyes. Good apk tho, Cheers!
User rated this game 5/5 on 2016-04-03
A Google user: Helps to hold my screen from having ghost images(temporary burn-in) with 20% screen dim, 10% intensity 3500k temperature
User rated this game 5/5 on 2018-03-14
A Google user: my eyeballs are saved
User rated this game 5/5 on 2017-01-10
A Google user: Really helps with lucid dreaming. Thank you!
User rated this game 5/5 on 2017-11-20
A Google user: Healthy apk... ^_^
User rated this game 5/5 on 2016-10-18
A Google user: Good for mobile/tablet players
User rated this game 5/5 on 2019-10-13
A Google user: Set it and forget it.
User rated this game 5/5 on 2014-06-06
A Google user: Think about how a lot of hours a day you are in front of a screen. Now think about the sense that you need the most in your life.
User rated this game 5/5 on 2017-03-18
A Google user: Does a good job of dimming the screen while being unobtrusive, and runs smoothly in the background even on my older model smartphone.
User rated this game 5/5 on 2017-05-06
A Google user: awesome
User rated this game 5/5 on 2013-07-21
A Google user: If you use and like f.lux on your desktop, you'll love this apk on your smartphone. In fact, I message the soothing effects on my smartphone much more than I do on my PC. I've used another dimmer apks, which were quite buggy and entirely broken. No such problem here.
User rated this game 5/5 on 2015-03-06
A Google user: Really helps. Sometimes you might need to adjust the settings for a bit to receive it right but once you got it you're awesome. Simple to fall asleep now!
User rated this game 5/5 on 2017-03-32
A Google user: Good
User rated this game 5/5 on 2014-08-04
A Google user: This apk is my fresh best mate! It's always there when I need it. Also simple to pause when needing to see real color. I have been using this apk for a few months now and I absolutely love it! Hold up the good work Twilight!
User rated this game 5/5 on 2016-03-26
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