Great product, improved my sleep a lot!

- Lukas T

Night Swannies Verified Buyer

  • Cambridge Night Swannies
  • Cambridge Night Swannies
  • Cambridge Night Swannies
  • Cambridge Night Swannies
  • Cambridge Night Swannies
  • Cambridge Night Swannies

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PRODUCT HIGHLIGHTS
  • BPA-free acetate frames
  • Flexible Spring Hinges
  • Prescription grade CR-39 lens
  • Anti-glare coatings
  • Free Shipping and Free Returns in the US
  • 30-Day No-Risk Guarantee

Cambridge Night Swannies

Great product, improved my sleep a lot!

- Lukas T

Night Swannies Verified Buyer

A refined frame with our scientifically validated night lens technology is an instant sophisticated favorite.

Cambridge Night Swannies has a rating of 4.9 stars based on 154 reviews.
  • Protection against the most harmful blue light wavelengths between 400-450nm.
  • Diminish symptoms of digital eye strain and computer vision syndrome.
  • Allows access to natural levels of blue light needed for optimal productivity during the day.
  • Work at your best without tiredness or eye fatigue.
Color
Black
Size View measurements

100% No-Risk Money Back Guarantee

PRODUCT HIGHLIGHTS
  • BPA-free acetate frames
  • Flexible Spring Hinges
  • Prescription grade CR-39 lens
  • Anti-glare coatings
  • Free Shipping and Free Returns in the US
  • 30-Day No-Risk Guarantee
Classic Night Swannies - Black
Classic Night Swannies - Black & Tortoise Shell
  • Classic Night Swannies - Black
  • Classic Night Swannies - Black & Tortoise Shell

Hear it from the experts.

If you want to use your iPad, mobile phone or watch TV at night before bed, that turn off your brain’s ability to produce melatonin. Swannies [blue light glasses] filter out that blue light so that you don’t have to give up your devices.

The Swannies blue glasses improved both sleep and work outcomes.

Dr. Mehmet Oz

Cardiac surgeon and host of the
Dr. OZ Show

I’m a believer in how Swannies blue light blocking glasses affect sleep onset and duration of sleep because we see it all the time with our patients and our athletes.

Another brand that’s highly rated is Swanwick, known for blocking blue light exposure.

Dr. W. Chris Winter

Neurologist and President of
Charlottesville Neurology and
Sleep Medicine

Swannies [blue light glasses] scored consistently well in all aspects that we tested. They have managed to combine effectiveness at filtering sleep-disturbing blue light while also allowing in non-sleep disrupting light, striking the right balance of sleep benefits.

Swannies have managed to combine effectiveness at filtering sleep-disrupting light while also allowing in non-sleep disrupting light, striking the right balance between sleep benefits and wearability.

Dr. Michael Grandner

Director of Sleep and Health Research,
University of Arizona
Director of Behavioral Sleep Medicine,
Banner-University Medical Center,
Tucson, AZ.

We tested Swannies [blue light glasses] to determine if the glasses would improve an individual’s sleep quality and found that using Swannies significantly improved sleep and increased the amount of deep sleep, and ultimately supported a better night’s sleep amount participants.

Swannies are hugely popular and pretty affordable blue light blocking computer glasses...

Dr. Roy Raymann

Chief Scientific Officer
SleepScore Labs
Developer of Apple Nightshift

Fall Asleep Quicker
Sleep Deeper

Fall Asleep Quicker
Sleep Deeper

Wake Up Refreshed
Tackle Your Day

Wake Up Refreshed
Tackle Your Day

  • CELLULOSE ACETATE FRAMES Natural, BPA-free material, adjustable, strong and lightweight.
    SPRING HINGES Wide range of movement for extra comfort and durability.
    CR-39 LENSES Prescription-grade lenses and anti-reflective coatings for superior visual clarity and protection against blue light.
    CONTROL BLUE LIGHT EXPOSURE The Day Swannies Lens provides you with the perfect balance of protection against the most harmful part of the blue light spectrum (400-450nm), while letting in some of the healthy blue light (450-500nm), which helps regular circadian rhythm and improves alertness and memory function.
  • If you are looking to improve your sleep and find yourself using electronic devices in the evening such as cell phones, TV, tablets, computers, then Night Swannies® will be most beneficial to you. Our Night Swannies with the orange tinted lens block the blue light (over 99%) between 400-500nm. Blue light between 450-480nm has been shown to inhibit the body’s natural ability to produce melatonin.

    In order to prepare your body for sleep, blue light in the evening should be limited as much as possible, which is what Night Swannies do.

    Day Swannies block 98% of blue light at 400 nm. This graduates to 45% at 450nm. This range is the most harmful part of the blue light spectrum.

    Day Swannies allow a natural amount of blue light exposure, which gives your body the signals it needs to stay awake during the daytime, giving you the best environment for optimized performance.

    Natural levels of daytime blue light can improve alertness, memory and brain function. By wearing Day Swanies, you get the benefits of good blue light, while being protected from the most harmful blue light rays that can lead to digital eye strain and other problems.

    Combining healthy amounts of blue light exposure during the day with limited blue light exposure in the evening will When you combine a healthy level of blue light during the day and limit your exposure to all blue light at night, this will help regulate your circadian rhythm and let you get the best out of all 24 hours of your day.

    We are happy to offer several options for people who wear corrective glasses.

    1. Swannies Fitovers: designed for wearing over another pair of glasses. Available in both Day and Night or as a value Bundle: https://www.swanwicksleep.com/collections/fitovers.

    2. Custom Prescription Swannies we make your own prescription in our Day or Night Swannies lenses. Swannies Custom Prescriptions are made to order California and you can choose from most of our normal frame options. Available here: https://www.swanwicksleep.com/collections/prescription-swannies.

    3. Swannies Readers: magnified lenses and are ready to order: https://www.swanwicksleep.com/collections/blue-light-reading-glasses/readers.

    Yes, we regularly test our Night and Day Swannies lenses through Colts Laboratories. Transparency is important to us when it comes to sharing data about Swannies Blue Light Blocking Glasses.

    When choosing blue blockers, we always recommend checking whether transmission reports are available and conducted by an independent testing facility.

    Night Swannies Transmission Report

    Day Swannies Transmission Report

    Summary:

    Night Swannies block over 99% of blue light between 400-500nm, and around 80% of green light between 400-550nm.

    For more information on the differences between Day and Night Swannies, click here.

    For more information about the science behind Swannies, please visit swannies.com/science.

    Yes, you can wear your Night Swannies during screen time during the day. We do not recommend you wear them for long periods during the daytime. Make sure to take regular hourly breaks from wearing your Night Swannies during the day, and expose yourself to some natural sunlight, especially in the morning.

  • FOR SLEEP

    To optimize your sleep, Night Swannies should be worn at least 1-2 hours before bedtime continuously.

    Try not to take them off at all untill you have turned off all lights and devices and are already in bed ready to sleep.

    Some pepole find better results from wearing them even earlier and we encourage you to experiment to find what works for you.

    FOR BLUE LIGHT PROTECTION

    Night swannies can also be used during the day to protect your eyes from execessive blue light exposure. Eg, when using digital devices for prolonged periods.

    We do not recommend you wear Night Sannies continuously for the whole day.

    Take regular breaks and allow some natural light exposure to ensure your body knows it's daytime.

    If you want extended protection during the daytime, we recommend our Day Swannies collections, which can be worn continuously all day.

  • Cambridge Collection

    The majority of adults find that the regular size is best fit for them.

    Compare the measurements to you current eyewear. The lens, bridge and temple widths are usually marked on the inside arm of the glasses.

    Acetate frames can be heated up and molded for the perfect custom fit or readjusted if bent out of shap. Most optomentrists or eyewear store will do it for free.

Features

FAQ

Usage Guide

Size Guide

How Classic Night Swannies® optimize your sleep for better performance

Swanwick has spent over six years testing and developing its lenses to give the best results for sleep optimization and wearing experience.

Improved Sleep

Night Swannies blue light blocking glasses are the most scientifically-backed blue light blockers, independently proven to positively impact sleep quality and next-day performance by blocking over 99% of blue light waves from entering your eyes.

Calming effect

Too much artificial blue light can result in feeling ‘wired’ and increase feelings of anxiety in the evening. Turn off the ‘noise’ by wearing your Night Swannies blue light blocking glasses in the hours before bedtime and you’ll immediately feel more relaxed.

Kick-start your sleep clock

Wearing Swannies blue light blocking glasses before bed gives your body’s natural clock the signals it needs to prepare for sleep. This includes naturally producing melatonin, the sleep-promoting hormone. Blue light is everywhere and it can't be avoided. Wear blue light glasses like Swannies to battle the blue light beast.

An investment in your overall health

Sleeping well is as important to your physical and mental health as eating right. Long term sleep deprivation is linked to a host of health problems such as obesity, diabetes, heart disease and even shortened life expectancy. Get healthy by sleeping well using Night Swannies blue light blocking glasses.

Quality sleep

Once you’re asleep, the blue light you were exposed to before bed can continue to wreak havoc on your sleeping pattern. Get deeper and more restful sleep by using Night Swannies blue light blocking glasses continuously before bedtime.

Eye protection

Working at night? Night Swannies blue light blocking glasses protect your eyes from the blue light that can cause digital eye strain, leading to headaches, sore, dry eyes and reduced productivity.

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Cambridge Collection

The majority of adults find that the regular size is best fit for them.

Compare the measurements to you current eyewear. The lens, bridge and temple widths are usually marked on the inside arm of the glasses.

Acetate frames can be heated up and molded for the perfect custom fit or readjusted if bent out of shap. Most optomentrists or eyewear store will do it for free.

×

The majority of adults find that the regular size is best fit for them.

Compare the measurements to you current eyewear. The lens, bridge and temple widths are usually marked on the inside arm of the glasses.

Acetate frames can be heated up and molded for the perfect custom fit or readjusted if bent out of shap. Most optomentrists or eyewear store will do it for free.

Cambridge Collection