Beware: For Kids, Junk Light is Worse Than Junk Food!


This is because kids are still growing- they need more sleep, less stress. When we inadvertently confuse our bodies by shining junk light into our eyes from smartphones, tablets, it messes up our internal ecosystem, causing eye strain and headaches during the day, and poor sleep at night.

Kids have constant exposure to junk light

– During the day and well into the evening, “bigs” and “littles”  are on screens. That impacts their eyes, brains, and hormones. Because their eyes and brains are still forming, blue light impacts kids more than adults.

– Junk light is also prevalent throughout the classroom with harsh fluorescent lights and bright white LEDs.

– At night, up to the time they go to bed, kids are watching TV, texting with friends, and continuing to be using junk light that is telling their body it’s still daytime. That makes it hard to fall asleep at night.

While it isn’t practical to ban all electronics from your kid’s life, you can still provide them with a simple, natural solution to help them focus during the day and sleep well at night. You can also be the hero by solving the sleep problem while letting them continue to use their electronics or do homework.


During the TrueDark back to school sale, you can save 15% on all models and accessories.

TrueDark Daywalker glasses filter out the worst of the blue spectrum to reduce the impact of junk light on kids during the day. Remember, some blue is necessary so the body knows it’s daytime, which is why not 100% of blue is blocked. Daywalker comes in both kids (ages 3-8) and adult (try the Elans for 8-15 year olds, and Elites for 16+.)  

Then before bed, use TrueDark Kids Twilights to help your kid’s body and hormones get ready for sleep, while they can still be watching TV or texting with friends. In fact, parents have often reported back to us that the rule in their house is “No Twilights, No Texting” in the hour before bed. Kids sizes and styles are good about 3-8 years, and the Twilight Classes work for kids 9 and up.

According to the National Sleep Foundation, 36% of parents and 34% of children leave an electronic device such as a television or computer on in their room while sleeping. So the first step to take is to keep your kid’s rooms dark when it’s time to sleep. You can find other tips to help your kids (and you!) get better sleep here.

Junk Light, Disrupted Sleep, and Your Health

Exposure melatonin disrupting junk light can have have effects on many aspects of your health

Sleep cycle disruption

Junk light exposure when traveling can disrupt your circadian rhythm. Long-term exposure to light at night which accompanies shift work is listed as a probable carcinogen by the World Health Organization. Light at night has shown to be highly associated with significantly the risk of hormone specific such as cancers of the breast and prostate.


The flickering wavelength of light associated with LEDs and compact fluorescent lights emit blue light that inhibits melatonin production but also create a unique glare that impacts your retina causing eye strain, headaches, and physical and mental fatigue.

Weight Gain

Red light and darkness move leptin and ghrelin into patterns that are (context dependent) associated with less hunger, while blue light does the opposite and can move both into patterns associated with more hunger.

Anxiety/Depression & Depression

Increase in cortisol, the stress hormone, due to circadian disruption. Memory recall is impaired with consistent sleep deprivation and may leave you distracted and not performing your absolute best.

The Importance of Melanopsin Cells

The Key to Better Sleep

detects blue light

The melanopsin cells detect blue light it tells your brain that it is “daytime” and less melatonin is produced.

sending signals to your brain

The signals to your brain to alert brightness and for the brain to increase or suppress the sleep hormone, melatonin.

Light Source

Melanopsin cells can’t differentiate the blue light that occurs naturally form the sun from the junk light emitted from your computer monitor.

Start Optimizing Your Life

Harness Your Biology to Fight Junk Light

Your body requires some blue light at the right time of day and from the right sources. That’s why we created TrueDark® Sleep Technology that gives you 24-protection from junk light day and night.

Use TrueDark® Twilights When You’re Ready for Sleep

Stop Junk Light with patented TrueDark® Twilight technology that frees your hormones and neurotransmitters to do their best work.

When the sun goes down, blue light isn’t the only junk light that can disrupt our sleep cycle and more than blue blockers are needed. Patented TrueDark® Twilight is the first and only solution that is designed to work with melanopsin, a protein in your eyes responsible for absorbing light and sending sleep/wake signals to your brain. Without melanopsin, melatonin can’t be accessed.

When you wear your Twilights for as little as 30 min before bed you prevent your melanopsin from detecting the wrong wavelengths of light at the wrong time of day. This supports  your circadian rhythm and helps you fall asleep faster and get more restorative and restful sleep.

glasses to help with computer eye strain computer glasses

TrueDark® Daywalkers for Your Waking Hours

The highly advanced lenses in TrueDark® Daywalkers operate on a more advanced level than traditional blue blockers.

Blue light emitted from the sun helps regulate our sleep/wake cycle. However, in today’s world, we’re exposed to an overabundance of blue light, or junk light from artificial light. This includes hours spent in front of  TVs, phones, and computers. It also includes time spent in artificial man made light with LEDs and fluorescent lights. Even if we’re simply reading a book, we’re doing that in artificial light which emit dramatically more blue light than the sun. That overexposure to junk light during the day has a dramatic impact on our neurotransmitters and hormones that are responsible for quality sleep.

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