Top 30 Apps Similar to Eye Protect Blue Light Filter

Twilight 12.3
Are you having trouble falling asleep? Areyourkids hyperactive when playing with the tablet before bedtime?Are you using your smart phone or tablet in the lateevening?Twilight may be a solution for you!Recent research suggests that exposure to blue light beforesleepmay distort your natural (circadian) rhythm and causeinability tofall asleep.The cause is the photoreceptor in your eyes, called Melanopsin.Thisreceptor is sensitive to a narrow band of blue light inthe460-480nm range which may suppress Melatonin production - ahormoneresponsible for your healthy sleep-wake cycles.In experimental scientific studies it has been shown anaverageperson reading on a tablet or smart phone for a couple ofhoursbefore bed time may find their sleep delayed by aboutanhour.The Twilight app makes your device screen adapt to the time oftheday. It filters the flux of blue light emitted by your phoneortablet after sunset and protects your eyes with a soft andpleasantred filter. The filter intensity is smoothly adjusted tothe suncycle based on your local sunset and sunrise times.Get more from Twilight1) Bed reading: Twilight is more pleasant on the eyes fornightreading. Especially as it is able to lower the screenbacklight farbelow the ability of the backligt controls on yourscreen2) AMOLED screens: We have tested Twilight on an AMOLED screenfor2.5 years without any sign of depletion or over-burning.Ifproperly configured Twilight causes less light emission(byenabling dimming) with more equal light distribution (dark areasofthe screen such as the status bar get tinted). This may infactincrease your AMOLED screen life time.Basics on circadian rhythm and the role of melatoninhttp://en.wikipedia.org/wiki/Melatoninhttp://en.wikipedia.org/wiki/Melanopsinhttp://en.wikipedia.org/wiki/Circadian_rhythmshttp://en.wikipedia.org/wiki/Circadian_rhythm_disorderPermissions- 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 youhouseholdlight from blueAutomation (Tasker or other)https://sites.google.com/site/twilight4android/automationRelated scientific researchAmplitude Reduction and Phase Shifts of Melatonin, CortisolandOther Circadian Rhythms after a Gradual Advance of Sleep andLightExposure in Humans Derk-Jan Dijk, & Co 2012Exposure to Room Light before Bedtime Suppresses Melatonin OnsetandShortens Melatonin Duration in Humans Joshua J. Gooley,KyleChamberlain, Kurt A. Smith & Co, 2011Effect of Light on Human Circadian Physiology Jeanne F.Duffy,Charles A. Czeisler 2009Efficacy of a single sequence of intermittent bright lightpulsesfor delaying circadian phase in humans Claude Gronfier,Kenneth P.Wright, & Co 2009Intrinsic period and light intensity determine thephaserelationship between melatonin and sleep in humans KennethP.Wright, Claude Gronfier & Co 2009The Impact of Sleep Timing and Bright Light Exposure onAttentionalImpairment during Night Work Nayantara Santhi, DanielAeschbach& Co 2008Short-Wavelength Light Sensitivity of Circadian, Pupillary,andVisual Awareness in Humans Lacking an Outer Retina Farhan H.Zaidi& Co, 2007High sensitivity of the human circadian melatonin rhythmtoresetting by short wavelength light. Lockley SW, BrainardGC,Czeisler CA. 2003Sensitivity of the human circadian pacemaker to nocturnallight:melatonin phase resetting and suppression Jamie M Zeitzer,Derk-JanDijk & Co 2000For a desktop alternative, try RedShift (Linux) or on Windowstheapp which has no relation to this project whatsoever, whosenamecannot be said aloud or whispered as it is a Trademark, letscallit Lord Voldemort of the blue light flux filtering apps.Guessedit?Let us know in the comments.
Bluelight Filter - Eye Care 2.1.20
MeiHillMan
Relieve eye strain, Easy to use, Very stable
Sleep Sounds 7.2.4(135)
Maple Media
Soothing sounds for refreshing sleep!
Blue Light Filter - Eye care 2.1.2
Protect your eyes by filtering blue light at night let youfallasleep easily
Eyes protection-Night mode 3.0.0
mandg
When using mobile phones and othermobiledevices, it's easy to use the phone too long, it can causeeyediscomfort, caused by damage to the eyes, while the screenlightcontaining blue light waves damage the eyes, it is so easy ontheeyes tired.But the "Eyes Protection", comes for your eye health, eyeguardsprovided with the following two main functions:☆ eye health remindersuse the phone time reminder, friendship remind you, avoid toolongmobile devices, detrimental to eye healthIn order to avoid too long to use the phone, EyesProtectioncontinuously used for a period of time (eg 50 minutes) inthephone, the phone will alert you to put down a break, then theEyesProtection will enter the rest mode, waiting for you to takeabreak. For your eye health, and I ask you not to use mobiledevicesfor too long.☆ eye health color filterLight blue glare screen contain a blue glare is one of themaincauses of eyestrain, Eyes Protection have health function, tohaveto reduce the blue glare, can effectively protect the eyesight,eyeprotection▽ supports a variety of mobile devices, ease of use(Note that support Android version is 4.0 or more,pleaseunderstand)▽ cost less power, consumes minimal resourcesAfter rigorous testing, Eyes Protection is not substantiallypowerconsumption, ease of use, but also basically does not takeupsystem resourcesEyes Protection, make eye health guardian angel, allowing you tousethe phone more healthy.
Eye Protector From Light 1.2
Devmind
Did you feel uncomfortable on your eyeswhenusesmart phone a long time watching phone screen or yourAndroiddeviceis too bright to look at at night ?eye protection app protects your sight when you look at aphoneortablet screen by adjusting the screen to natural colorandReduceblue light.Features :★Very easy to useHandy buttons will help you turn on and turn off the appinonesecond★ Reduce blue light - Reduce blue lightThe screen filter can change your screen into natural color★Choose which color you want to reduceAll the colors in Eyes Protector are from eye doctors★ Adjustable filter intensityBy sliding the button, you can easily adjustthefilterintensity★Save powerPractice shows it can greatly save power because ofreducingscreenlight★Built-in screen dimmerYou can adjust your screen brightness accordingly★ Eye protector from screen lightScreen shift to night mode to protect your eyesYou can control the color and brightness to make your ownmodeNow you have Eyes Protector app to protect your eye healt.
Eye Soother(Reduce blue light) 1.0.7
LND Dev Team
More pleasant on the eyes for night reading Totally free withoutAd,easy to use
Blue light filter-Eye protect 1.3
helen_nguyen
Eyes feel tired during night reading on the phone? Have troubleinsleeping after long time watching phone screen? Blue lightfilteris used to reduce blue light by adjusting the screen tonaturalcolor. Shifting your screen to night mode can relieve youreyesstrain, and your eyes will feel at ease during night reading.Alsoblue light filter will protect your eyes and help you sleepeasily.In experimental scientific studies it has been shown anaverageperson reading on a tablet or smart phone for a couple ofhoursbefore bed time may find their sleep delayed by about an hour.TheBlue light filter app makes your device screen adapt to the timeofthe day. It filters the flux of blue light emitted by your phoneortablet after sunset and protects your eyes with a soft andpleasantred filter. The filter intensity is smoothly adjusted tothe suncycle based on your local sunset and sunrise times. ☆Features ▽Free Screen Filter App to Protect Your Eyes You canreduce thestrain on your eyes easily. It is simple but effective!All youhave to do is launch this app. ▽ Screen Filter with NaturalColorThis app's filter has a natural color so you can read news,emailsand websites clearly. This app doesn't dim the screen butadjuststhe screen color to reduce blue light which causes strain onyoureyes. This natural color filter makes your smartphone screenshiftto the screen for night. ▽ Easy Operation It is easy to turnon oroff with just one tap. You can adjust the opacity of thefilter.You can choose from 4 different filter colors. ▽ Turn On orOffQuickly and Easily You can choose to show or hide a filter iconinthe status bar, making it easy to adjust the settings any time▽Startup Automatically ▽ Simple App Rate this app 5 star andreviewit. We will do this app best for you. Thank for downloading!
Blue Light Filter 1.0.3
Blue Light at night could be badforyourhealth, and exposure to blue light emitted by electronicsmaybeespecially so.Until the advent of artificial lighting, the sun wasthemajorsource of lighting, and people spent their eveningsin(relative)darkness. At night, light modifies the body'sbiologicalclock —thecircadian rhythm— and could cause problems inoursleep.But not all colors of light have the sameeffect.Bluewavelengths—which are beneficial during daylight hoursbecausetheyboost attention, reaction times, and mood—seem to bethemostdisruptive at night. And the proliferation ofelectronicswithscreens is increasing our exposure to bluewavelengths,especiallyafter sundown.Exposure to light suppresses the secretion of melatonin,ahormonethat influences circadian rhythms. While light of anykindcansuppress the secretion of melatonin, blue light doessomorepowerfully.Bluelight Filter - Brightness Reduction, allows you toaccessfourdifferent filter settings:- Normal Mode: Ideal for regular Web Browsing withminimalcolorshift.- Balance Mode: Mantains good color visualization givingagoodbalance between image quality and eye care.- Paper Mode: Perfect for reading during long periods oftimeforexample ebook Reading.- Sleep Mode: Minimal blue light emissions, our bestchoicebeforesleep.
BlueLight Filter - Eye Care 1.2
hamihisisimo
BlueLight Filter - Eye Care - Protect your eyes
filter bluelight eye keeping 1.1.2
yassinfo
This application protects your eyes from blueray which helpstorelax at bedtime
Bluelight Filter for Eye Care 1.0
MoChat
Recent research suggests that exposure to blue light beforesleepmay distort your natural (circadian) rhythm and causeinability tofall asleep. Blue light, also known as "High-energyvisible light"is given from your smartphone screen, which is saidto be the causeof eye fatigue, deterioration of eye sight andinsomnia. Prolongedexposure will damage the eyes retina. This appadjusts your screencolor to reduce the blue light and helps youreyes to relax, makingit easier for you to fall asleep. ☆ Features1. Filter to protectyour eyes. Turn ON bluelight filter to startprotecting your eyes!Especially effective when you are to stare atthe smartphone screenfor longer hours & during night. 2.Various Adjutments - Filterstrength from 0% to 100% - 5 differentfilter colors to choose from3. Super simple & effectiveinterface! Turning ON/OFF is justwithin one-tap from app launch. 4.Auto-Startup An option toauto-startup the filter when booted.Either ON/OFF. 5. WidgetEasily turn ON/OFF the filter from pulldownmenu. 6. Eye Care inyour Smartphone or Tablet This app works onmost smartphones suchas Samsung Galaxy, HTC ONE Xperia and so on.It also works ontablets such as Nexus 7, Nexus 10, ASUS MeMO Pad,Acer ICONIA andmore!
eye safe 1.2.5
adilobx
[Must Have Eye Protector] This browsercancutblue light from your display.So you can protect your eyes from blue light.Display of digital devices such as smart phones, has issuedabluelight at a rate of more natural light.blue light that will cause a flickering or glare.In addition, since the energy is stronger than otherwavelengthsoflight, sometimes it is easy cause eyestrain, eyefatigue isthecause of shoulder stiffness blue light.In addition to that you can freely adjust the proportionofbluelight, the brightness of the display is also able toadjusteasilyin this browser.It is recommended that you use this browser on even inthemiddleof the night, even during the day, to protecttheeyesight.In addition, the characteristics of the browser,visualrecoverytraining also has become a good applicationcompatible.
Eye Care - Filter and Timer 1.2.1
Blue light is emitted from sun, fluorescent lights, CFL bulbs,LEDlights, computer monitors, smartphone and tablet screens. Thereisconcern over the long-term effects of screen exposure becauseofthe close proximity of the screens and the length of timespentlooking at them. Almost all visible blue light passes throughthecornea and lens and reaches the retina. This light mayaffectvision and could prematurely age the eyes. Early researchshowsthat too much exposure to blue light could lead toeyestrain,damage to retina cells and disturb the wake and sleepcycle. EyeCare protects and relaxes the eyes by providing a filterthatreduces the blue light emanating from phone screen. Italsoprovides a timer that notifies on overuse of phone screen. Withthehelp of timer, you can follow the 20-20-20 rule which statesthatevery 20 minutes, take a 20-second break and focus your eyesonsomething at least 20 feet away. Features • Eye Care bluelightfilter reduces the effect of blue light from phone screen. •EyeCare Session Timer records the continuous screen ON time andalertsuser upon reaching the target time. • Eye Care Day Timerrecordsthe total screen ON time in a day and alerts user uponreachingtarget time. • Filter and Timer controls are available fromthenotification. • Eye Care notifies its users at the end of thedayabout the phone usage.
Sleepa: Relaxing sounds, Sleep 3.8.1(85)
Maple Media
Sleep, relax and meditate with relaxing sounds of nature, rainorwhite noise.
藍光過濾器 - 夜間模式 2.168
A.C Trader
特點: ● 藍色光濾波器:保護視力、緩解疲勞、眼部健康、眼部護理。 ● 削弱藍光 ● 可以調節濾鏡強度 ● 省電 ●使用方便●夜間模式:夜間護眼、夜間螢幕、保護眼睛。 提示: ●安裝其他應用程式或發現某部分按鍵無法點擊時請先關閉過濾器。●無法解除安裝時可開啟本應用程式點選垃圾桶解除安裝。
Night Shift: Blue Light Filter 0.0.8
**Updated - Crash Issue fixed forAndroidMarshmallow**Do you use your mobile phone after sunset? Do you use yourphonewithin 3 hours of your bed time? If yeas, then your devicemight betaking your sleep away. Bluelight from your mobile screenssends asignal to brain to wake up, and makes it difficult for us tosleepat night. So if you have difficulty sleeping (insomina), themobilemight be the culprit.The solution? This simple screen filter or as we call it, aBlueLight Filter.This blue light filter controls the amount of blue lightemittedfrom your phone, and thus it reduces the harmful effects ofusingmobile phone at night.This is the simplest Blue Light Filter App and it lets you:- Set separate filter intensity for day & night time- Turn filter ON/ OFF through a single tap on notificationbar- No annoying notifications- No Ads- No permissions required for Bluelight Filter app to runBest option is not to use your mobile devices after sunset, butifyou must then this Bluelight Filter app is there to save youreyes!Say goodbye to blue.This lux controlling app is must for eyecare. Night Shift appforandroid.Useful if you are searching for:- Blue- Bluelight- Filter- Bluelight Filter- Blue light filter
VisionUp Eye Exercises 3.2.15
Improved vision and eye coordination with VisionUp
Eye test 2.7.0
Designveloper
With this eye test you can test your vision at home easilyandtotally free!
Eye Protector Bluelight Filter 1.2
Take care of your vision Blue light screen filter
Eyes Protection 2017 1.0
TheFutureApps
The ingenious application foryourexhaystedeyes is rolled out!! The smartphone currentlyareindivisible dailynecessity all day long, Please realize abetterwayof victimizationsmartphone with Eyefilter, relieaving thestrain onyour eyes.■ This application protects smartphone users frombluelightexposure,inflicting sleep disorder and visual disorder -forestallthe screenfrom diverging bluelight - it's sensible forshieldingvisual senseof smartphone user, particularly foryoungsters andworkplaceemployees - It doesn’t cause fast batterydrain,overwhelming lessbattery power offer■ the applying is incredibly easy, easy accessibilitytoEyefilterusage setting - it's simple to access and alter theusagesetting(On/OFF) with convenience perform - it's potentialtoregulate theopacity by double clicking the convenienceThe ingenious appforyoureyes exhaysted is rolled out !! The smartphonecurrentlyareindivisible daily necessity all day long, PleaseRealizeaBetterway of victimization smartphone withEyefilter,relieavingthe strain on your eyes.■ This app Protects smartphone users frombluelightexposure,inflicting sleep disorder and visual disorder -forestallthescreen from diverging bluelight - it's sensibleforshieldingvisual sense of smartphone user, PARTICULARLYforyoungsters andworkplace employed - It Does not because fastbatterydrain,Overwhelming less battery power offer■ Applying the is incredibly easy, easy accessibilitytoEyefilterusage setting - it's easy to access and alter theusagesetting (On/ Off) with convenience perform - it's potentialtoRegulate theopacity by double-clicking close theconvenience
Atmosphere: Relaxing Sounds - 5.05
Atmosphere is perfect to relax, sleep, meditate or just enjoynaturerain sounds
Bluelight filter (to protect eye health) 1.1.3
STUDIO NMD
[What is Blue Light?] Blue light is a blue light source withstrongenergy in the middle of the visible light. Even with thesameelectronic device, the blue light from smartphones is twiceasharmful as a laptop monitor and five times as much as atelevision.[Why do I need a blue light filter?] Continuous exposureto harmfullight without the use of a blue light charger filterincreases thelikelihood of a variety of eye diseases (dry eyesyndrome, poorvisual acuity). In particular, if exposed beforesleeping, thebrain recognizes the current time as daytime, and itcan adverselyaffect other than eye health such as insomnia.[Features of theapp] - Trusted apps: require minimal privileges toprotect yourprivacy - Fast, battery-free with only essentialfunctions[Features of the app] - Schedule can be executed accordingto thespecified time - It has a function to run automatically whenthephone is turned on - Various filter colors and free blockingratecontrol - In the status bar you can adjust the blocking rateandterminate the filter
Bluelight Filter - Eye Care 1.2
PixelArtapp
Bluelight Filter is a tiny utility toreducetheharmful effect of blue light emitted by smartphones&tablets.Blue light interferes with the sleep hormoneproduction ofour bodyand affects sleep.Blue light emitted by phone screen is the major cause toeyestrainand vision loss. Now by this super application:BluelightFilter,you can easily get rid of these problems.The ingenious application for your exhaystedeyesisrolledout!!As smartphone becomes inseparable daily necessity alldaylong,Please find a betterway of using smartphonewithEyefilter,relieaving the strain on your eyes■ This application protects smartphone users frombluelightexposure,causing insomnia and amblyopia- Prevent the screen from radiating bluelight- It is good for protecting visual acuity ofsmartphoneuser,especially for children and office workers- It doesn't cause quick battery drain, consuming lessbatterypowersupply■ Easy access to Eyefilter usage setting- It is easy to access and change the usagesetting(On/OFF)withwidget function- It is possible to adjust the opacity by doubleclickingthewidget■ A variety of themes and altering function ofnotification- Express your own indiviuality through a varietyofthemesselection- Set themes of widget on the wallpaper- Alter the notification comment and icon withyourownpreference■ Bluelight filter for optimal eyesight- Optimal 5 sort of filters are available- Prevent others from peeping your screen byadjustingtheopacity■ What is bluelight?- Bluelight is blue colored light with very shortandvisibelwavelength between 380 and 500 nm(nanometer).It used to serve as medical treatment for pimplesindermatology.However, many experts say that persistent exposureofblue light isquite dangerous.Namely, long time exposure of bluelight might causexerophthalmiaandeven bring damage to retina nad eye lens.Furthermore, bluelight exposure from smatphone and TV inthelatenight, sound sleep would be interupted by hamperedsleepinducinghormons secretion.
ShakeJ Bluelight Filter 5.0
ShakeJ
Protect your eyes from the screen !
Sleep Better with Runtastic
Runtastic
Track your sleep cycle, monitor dreams,improvebedtime habits & wake up better with the free SleepBetter sleeptracker app with smart alarm clock from Runtastic!Sleep Betteroffers you a simple and engaging way to get bettersleep using asleep tracker and sleep timer.Time to take your sleep seriously! Instead of fiddling withotherapps before bedtime, get to bed early with Sleep Better.Whetheryou struggle to fall asleep, want to learn how yourdaytimeactivities influence your sleep, or simply want some new&refreshing smart alarm clock sounds – this is your ideal freesleeptracker!Track moon phases, keep a dream diary and more using thispreferredsleep app on your Android device! Better sleep is inyourfuture.APP FEATURES & BENEFITS* Sleep monitor: This sleep tracker monitors your sleepcycle,duration (both light and deep sleep) and efficiency with thesimpletap of a button and placing your device by your pillow.* Works in airplane mode: Simply set your device on your bed(nextto your pillow). Your sleep app will do the work!* Sleep timer: Track your light sleep & deep sleep phases&time spent awake in bed.* Track caffeine & alcohol consumption, exercise info,andstress level to determine the effects of these variables onyoursleep quality.* Monitor moon phases and find out if it impacts your sleepcycle,internal alarm clock, deep sleep, sleep duration orsnoozepatterns.* Keep a dream diary to track your dreams (good, badorneutral).* Note your mood when you wake up.* Sleep track with your tablet: This sleep app and alarm clockworkson tablets, too! Same as your smartphone, place it right nexttoyour pillow.* Share sleep tracking sessions via Google+, Facebook,Twitter,WhatsApp & email.FEATURES & BENEFITS OF FULL VERSION* Use the Smart Alarm to wake up at the ideal time withinyourpersonalized Wake-Up Window. The smart alarm clock wakes youupfeeling refreshed!* Enjoy a variety of smart alarm sounds &snoozefunctionality.* View sleep history including daily stats and overviews forlongertime periods (i.e. a selected week or month).* Filter history taking daily variables into account todeterminewhen you’re sleeping best.* Some functions & benefits are limited in the free versionofSleep Better app. To access all benefits, users are encouragedtotake advantage of the Sleep Better in-app purchase.Download today and start tracking your sleep duration andmoretonight! If you’d like even more information about why sleepissuch an important component of your overall health, wellnessandfitness efforts, please visit the Runtastic Blog today.We’repleased to share a sleep series with interested users &readersto help YOU truly make the most of your shut eye.Sleep-relatedinsights and further information on 24-hour trackingwith Runtasticare also covered on our Fitness Channel on YouTubeand throughoutour social media channels.Runtastic is all about health & fitness apps! Check out moreofour apps, in addition to this sleep timer app, to help youreachyour fitness goals athttp://play.google.com/store/search?q=pub:Runtastic
Eye Protect (Bluelight Filter) 1.5.1
Duo
Eye Protect Screen Filter isacompletelyautomatic blue light filter that come on only at night!Eye Protect Screen Filter makes the color of yourphone'sdisplaychange as the night progresses to be easier on youreyes.Thereforefiltering out the blue light only when you needit.Good if..- Falling asleep easier- Using your phone in the darkJust install and forget about it
YAZIO - Calorie Counter & Nutrition Tracker 8.3.6
YAZIO
With the free Calorie Counter app byYAZIO,you can manage your daily food diary, track your activitiesandlose weight successfully. Counting calories and losing weighthasnever been so easy!More than 3 million people have already achieved their NewYear’sresolutions with YAZIO. Be a part of it.YAZIO is the best diet and weight loss app for Android– Free download and registration– Personal plan to lose weight or build muscles– Calorie table with over 2 million foods– Nutrition tracker and food diary for all meals– Tracks your calories, carbs, proteins and fats– Create meals, add favorites or input new foods– Copy diary entries to other days easily– Built–in barcode scanner for quick searching– Tracks your sports, exercises and activities– Calorie calculator to track your burned calories– Tracks your daily steps walked and be more active– Documents your weight with weight tracker– Assesses your diet and achievementsThe advantages of YAZIO PRO are undeniable– PRO is a useful extension of the free app– With PRO, you will reach your goal twice as fast– Nutritional plans for low carb, high protein, etc.– Over 100 healthy and delicious recipes– Smart and intelligent food rating– More analysis including diet and body statistics– Tracks other nutrients like sugar, fiber and salt– Recognize foods with the most carbs or fat– Shows progress over the previous 2.5 years– Tracks body fat, blood pressure and blood sugar– Measure your breast, waist and hip circumference– Plan your diet and sports for the next days– No more advertisements – who doesn’t love that?– Supports our continuous improvement of YAZIOYou can buy PRO via in–app purchases within the app. YAZIO PROissignificantly cheaper than comparable Calorie Counter apps fordietand weight loss.If you go PRO, the payment will be charged through your GooglePlayaccount during purchase confirmation. The subscription willbeauto–renewed shortly before the subscription periodends,maintaining the same price and subscription type youpreviouslypurchased, unless you unsubscribe no later than 24 hoursbefore thesubscription ends. Subscriptions can be managed throughyour GooglePlay account after purchase. It is not possible torefund asubscription or cancel a subscription during thecurrentperiod.The storage of your data is extremely safeThe YAZIO Calorie Counter is operated by YAZIO, a Germancompany.Since the app has been developed in Germany, it is subjectto thestrict German Data Protection Act. All information receivedor sentthrough the app is encrypted at all times. All data isstoredanonymously on German servers and is not stored bythirdparties.– For further assistance go to http://help.yazio.com– Get to know us better at http://about.yazio.comDo you want to help make the YAZIO Calorie Counter an evenbetternutritional & diet app? We always welcome yoursuggestions andfeedback.
Blue Light Filter - Eye Care 1.0.5
Blue Light Filter help you to feel more comfortable and asleepmoreeasily.