Swannies Crystal Frame Night Time Blue Blocking Glasses
Swannies Crystal Frame Night Time Blue Blocking Glasses
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Description
Night time Swannies® with the crystal frame are a customer favorite. These hugely popular and affordable science-backed blue light blocking computer glasses help support your circadian rhythm by blocking up to 99% of light to help enhance sleep and support eye health.
THE MOST SCIENTIFICALLY-PROVEN BLUE LIGHT BLOCKING GLASSES ON THE MARKET.
- Block 99-100% of blue light in the evening to fall asleep easily.
- Get good quality sleep with no tossing and turning at night.
- Wake up feeling rested and energized.
- Use your electronic devices before bed without them affecting your sleep.
- Protects against eye strain.
- An independent study by SleepScore Labs showed that Night Swannies blue light blocking glasses resulted in significantly improved sleep, including an average of 33% increased sleepiness at bedtime, 11 minutes less time to fall asleep, and 24 minutes of reduced time awake during the night.
- BPA-free acetate frames (Acetate frames can be heated up and molded for the perfect custom fit, or adjusted if bent out of shape. Most opticians or eyewear stores will do this for free.)
- Flexible spring hinges
- Prescription grade CR-39 lens
- Calming orange-tinted lens blocks more blue light
- Free shipping on orders over $50
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.
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.
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.
What is the Difference Between Day and Night Swannies
Night Swannies (orange lens) block more than 99% of blue light between 400-500nm and are designed for wearing before bed time. This is because blue light from 450-480nm has been shown to prevent the body from naturally producing melatonin.
At night time, blue light exposure should be limited as much as possible so that your body can get ready for sleep.
Day Swannies (clear lens) are designed specifically for wearing while using screens during the daytime. They block 45-98% of blue light in what studies have found to be the most harmful part of the blue light spectrum between 400-450nm.
Day Swannies allow a natural level of exposure between 450-500nm, giving your body the signals it needs to stay awake during the daytime and allow you to perform at your best.
A natural level of blue light during daytime boosts alertness, memory and brain function. Day Swannies afford these benefits while protecting against harmful rays from computer screens etc., which can lead to digital eye strain.
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 sleep/wake cycle to help you optimize both your sleep and waking hours.
Usage Guide
Swannies Blue Light Glasses For Sleep
Too much exposure to harmful rays of high energy blue light from digital screens, light bulbs, led lighting, and other digital devices, can lead to tired eyes, headaches, blurry vision, and worse: It can disrupt sleep patterns ultimately leading to a whole host of other problems.
To optimize your sleep, Night Swannies blue light blocking glasses should be worn at least 1-2 hours before bedtime continuously. Blue light emitted from digital devices is all around. But when wearing Swannies, blue light filters through our proprietary lenses, meaning less blue light actually touches the receptors in your eyes.
For 1-2 hours (or more) before bedtime, try not to take them off at all until you have turned off all lights and digital devices, and are already in bed ready to sleep. Even a small doze of blue light is too much if you're wanting to get quality sleep.
Some people find better results from wearing Swannies even earlier to filter blue light longer, and we encourage you to experiment to find what works for you. Everyone is different, and how much blue light you take in is largely determined by how much time you spend in front of a computer screen, looking at your phone or other digital devices, and whether the lights in your environment are designed to produce less blue light.
Swannies For Blue Light Protection
Night Swannies blue light blocking glasses can also be used during the day to protect your eyes from excessive blue light exposure. For example, when using digital devices for prolonged periods, you can wear Swannies blue light protection glasses to minimize eye strain, prevent headaches and digital eye fatigue.
We do not recommend you wear Night Swannies blue light glasses continuously the whole day.
Take regular breaks and allow some natural light exposure to ensure your body knows it's daytime. During the day, it's not good to block blue light to the degree that Night Swannies do continuously.
If you want extended protection during the daytime, we recommend our Day Swannies clear blue light glasses, which can be worn continuously, all day.