Twilight: Blue light filter APK detail is about hot apps Twilight: Blue light filter APK for android. 10,000,000+ users downloaded Twilight: Blue light filter APK latest version 13.4 for free! This hot app Twilight: Blue light filter APK was updated on Oct 22, 2023. You can find the version history of Twilight: Blue light filter APK too. Come and download it now!
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Download Twilight: Blue light filter APK to an easy-to-find location on your computer (like your desktop). Before you can install it on your phone you will need to make sure that third-party apps are allowed on your device. Go to Menu > Settings > Security > and check Unknown Sources to allow your phone to install apps from sources other than the Google Play Store. Once you've downloaded the APK file on your computer, connect your device to it. At this point, you may be asked if you want to charge your phone or connect it as a 'media device.' Choose Media device. Then, find your phone's folder on your computer. It will be in 'My Computer' or 'Computer' on Windows (PC). Then, copy the APK file into a folder of your choice in your Android smartphone. You will now be able to search for the file location in the My files folder of your device. Find the APK file, tap it, then hit Install. And now you're done, congratulations, you have your app. Just open it up from your smartphone and make sure it works properly.
You can also install Twilight: Blue light filter APK files on your Android smartphone or tablet. Once Twilight: Blue light filter APK is downloaded, open Downloads, tap on the Twilight: Blue light filter APK file, and tap Yes when prompted. The app will begin installing on your device. Simple.
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Till now, Twilight: Blue light filter APK gets reviews, 420519 ratings. The latest review is reviewed by .
Please be aware that we only share the original and free apk installer for Twilight: Blue light filter APK 13.4 WITHOUT ANY cheat, crack, unlimited gold, gems, patch or any other modifications. if there is any problem please let us know.
- Proper Wear OS 3+ support + Wear OS Tile
Pros:Great for night reading & relaxation before sleep.
Great for late night phone activity without straining the eyes.
Bedtime reading on my Note has never been more comfortable.
Night owls & shift workers -- This is for you.
The light filter is not only very pleasant.
Very nice Android alternative to flux for Windows.
Helps me and my droid wind down at day's end.
Its also highly customizable to suit your specific preferences- brightness.
I love the customization options and haven't had any major problems.
Greatly reduces eye fatigue when reading in the dark.
My eyes immediately and markedly feel more relaxed using this.
It's also easy to turn it on/off and manage settings.
this is much like an android equivalent of f.
Great app that's good for your health.
But it really makes my eyes feel better during night use.
I have a similar program installed on my desktop & laptop.
Loving the sleep aid apps from this team.
Flux for Windows and Redshift for Linux.
I'm not saying that Twilight cured my insomnia.
I already use similar programs on my desktop and laptop.
Cons:The next/ install button is rendered un-tappable.
Small bug - impossible to install apk while service is running.
Took me forever to figure out why I couldn't install apks.
The only problem is that it doesn't affect the navigation bar.
I find that I can not press the install button.
but interferes with the INSTALL button when installing third-party APKs/apps.
But screen tint adjustment does not work on Chrome browser.
Install button on apk install page doesn't work.
Only gripe is when installing 3rd party apps on samsung devices.
Twilight disables the "Install" button in Amazon App Store.
Needs better support for kitkats transparent nav bars.
so no third party apps can be install with the filter ON.
Great app but disables side loading of apps.
Only wish the persistent notification "off" worked for my Galaxy S4.
but it's ovetkill and it makes black areas look red.
I need to turn off this and click the install button.
Doesn't dim droid maxx bottom nav buttons though.
It closes randomly and it is not triggered by any apps.
it'll suddenly stop working sometimes.
I was unable to click the box saying I trusted it.
DetailsAre you having trouble falling asleep? Are your kids hyperactive when playing with the tablet before bed time?
Are you using your smart phone or tablet in the late evening? Are you sensitive to light during migraine?
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 tablet or smart phone for a couple of hours before bed time may find their sleep delayed by about an hour. See references below..
The Twilight app makes your device screen adapt to the time of the day. It filters the flux of blue light emitted by your phone or tablet 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.
You can also use Twilight on your Wear OS device.
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 tested 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 areas of the screen such as the status bar get 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
- location - to find out your current sunset/surise times
- running apps - to stop Twilight in selected apps
- 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 app may ask for enabling Twilight Accessibility Service. The app uses this service only to better filter your screen and does not collect any personal information. Please read more about this at https://twilight.urbandroid.org/is-twilights-accessibility-service-a-thread-to-my-privacy/
Wear OS
Twilight also syncs your Wear OS screen with your phone's filter settings. You can control filtering from a "Wear OS Tile".
Automation (Tasker or other)
https://sites.google.com/site/twilight4android/automation
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, & 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
Twilight: Blue light filter APK Device & app history: retrieve running apps,retrieve running apps
Twilight: Blue light filter APK Location: access extra location provider commands,approximate location (network-based)
Twilight: Blue light filter APK other: run at startup,modify system settings,full network access,view network connections,draw over other apps
Access extra location provider commands:
Allows the app to access extra location provider commands. This may allow the app to interfere with the operation of the GPS or other location sources.
Approximate location (network-based):
Allows the app to get your approximate location. This location is derived by location services using network location sources such as cell towers and Wi-Fi. These location services must be turned on and available to your device for the app to use them. Apps may use this to determine approximately where you are.
Draw over other apps:
Allows the app to draw on top of other applications or parts of the user interface. They may interfere with your use of the interface in any application, or change what you think you are seeing in other applications.
Full network access:
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
Modify system settings:
Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.
Retrieve running apps:
Allows the app to retrieve information about currently and recently running tasks. This may allow the app to discover information about which applications are used on the device.
Run at startup:
Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the device and allow the app to slow down the overall device by always running.
View network connections:
Allows the app to view information about network connections such as which networks exist and are connected.
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7 MB
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7 MB
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5.55 MB
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