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Night Filter – Blue Light Filter for Better Sleep APK


The blue light emitted by the screen will impair vision health and thus disturbing your sleep. Night Filter helps you get better sleep by providing gentle warm light to ease eye fatigue. Simple to use yet more than effective!

Key Features
★Reduce visual fatigue by adjusting the screen to natural color;
Filter harmful blue light to effectively protect your eyes;
★Provide professional eye health assessment to help you form good habits;
★In possession of a variety of color schemes giving a 24-hour eye care;
Very easy to use!

Blue light filter protects your eyes by adjusting the screen to natural color and reducing the harmful blue light. You can feel the change when applying it to your screens. It relieves eye fatigue when you are doing night reading, typing or playing games.

How to use our Blue Light Filter app
Step One: Open the app and turn on the Filter.
Step Two: You can choose your Filter Color and set Auto Enable time.
Step Three: You can click the upper right corner to check your Eye Health Report and set Reminder option. Once the Show Notification is activated, you can control the filter in the notification bar anytime you want.

Q&A

Q: What is blue light?
A: Blue light is a range of the visible light spectrum coming from a variety of technologies including computers, smartphones, televisions, and lights.

Q: Is blue light always a bad thing?
A: Nope, it largely depends on the timing people receive the light. Natural exposure to blue light during the daylight hours boosts people's energy, alertness and mood. However, elongated exposure to the waves transmitted through screen devices during the evening can disrupt circadian rhythm and cause various health effects including a disruption in normal sleep schedules.

Q: How can blue light effect our sleep?
A: Exposure to blue light can increase heart rate and body temperature and even can disrupt circadian rhythm. To ensure better sleep, the blue light should be decreased at night.

References:
1. Kuse, Yoshiki; Ogawa, Kenjiro; Tsuruma, Kazuhiro; Shimazawa, Masamitsu; Hara, Hideaki (2014-06-09). "Damage of photoreceptor-derived cells in culture induced by light emitting diode-derived blue light". Scientific Reports. 4: 5223. ISSN 2045-2322. PMC 4048889 Freely accessible. PMID 24909301. doi:10.1038/srep05223
2. Tosini, Gianluca; Ferguson, Ian; Tsubota, Kazuo (2016-01-24). "Effects of blue light on the circadian system and eye physiology". Molecular Vision. 22: 61–72. ISSN 1090-0535. PMC 4734149 Freely accessible. PMID 26900325.
3. Tosini, Gianluca (2016). "Effects of blue light on the circadian system and eye physiology". Molecular Vision. 22: 61.
4. Korones, Sarah. "Blue Light And Sleepless Nights." Psychology Today 45.1 (2012): 42. Health Source – Consumer Edition. Web. 21 Feb. 2016

Contact Us
Shall you have any questions or suggestions, feel free to let us know via email: filter@cootek.cn

Languages Available
English, German, Spanish, Portuguese, French, Russian, Thai, Korean, Japanese, Traditional Chinese, Simplified Chinese.

Compatible with most Android phones, including but not limited to
Samsung Galaxy S8 and S8 Edge, Samsung Galaxy Note 8, Samsung Galaxy A8+ , Samsung Galaxy S7 and S7 Edge;
Huawei P10 and P10 Plus, Huawei Mate 10, Huawei P9 , Huawei Mate 9, Huawei Honor 8;
HTC U11+, HTC U11 Life, HTC Desire 10 Pro;
OnePlus5, OnePlus 5T;
OPPO Find 9;OPPO F5;
Xiaomi Max2, Xiaomi 6 ;
Honor 7X, Honor view 10,Honor 9 Lite;
Google Pixel, Google Pixel2; LG S6.

There will be ad content shown in certain scenes in our app. For more details, visit m.facebook.com/ads/ad_choices.

Download APK

Additional information

Name
Night Filter – Blue Light Filter for Better Sleep
Package
bluelight.filter.sleep.warmlight.eyes.battery
Version
1.2.2.0_1
Size
10.58 MB
Installs
1,000,000+ downloads
Developed By
Health Group: Fitness, Eyes Protect, Drink Water.
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