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Cause of Snoring and Sleep Apnea


How the ASU Oral Appliance Eliminates Sleep Apnea
and Snoring


The ASU oral appliance is worn on your upper and lower teeth. The Oral Appliance sustains your bottom jaw forward keeping your airway from collapsing and allowing air to pass freely to your lungs.

FDA Has Cleared Only 2 Solutions for Sleep Apnea and Snoring

There are only 2 products that are FDA cleared to eliminate or reduce sleep apnea: an oral appliance or a CPAP. Both the oral appliance and CPAP eliminate or reduce sleep apnea by opening the blocked airway in the back of your throat.


A CPAP opens the blocked airway by forcing air down your throat through a mask. Consequently your airway remains open, thus eliminating or reducing sleep apnea.


An oral appliance sustains the position of the bottom jaw forward, preventing muscle collapse. Consequently the airway is sustained open, eliminating or reducing sleep apnea.

Why is it so comfortable? It’s all in the plastic.

American Sleep Union’s patented plastic is thermal formed to your teeth like a surgical glove does to a hand (even tighter than an oral appliance fabricated by a dentist). After cooling in the mouth, the oral appliance turns semi hard and stays snug to your teeth. So snug that the oral appliance snaps when removed from your teeth. Due to the American Sleep Union Patented Plastic, the oral appliance is more snug and comfortable than any oral appliance made by a dentist.

Notice the definition and contours of the teeth in the oral appliance.


How does it conform to the teeth so well?

Patented 2 tray system.

The American Sleep Union 2 tray system consists of an inner semi hard tray encompassed by an outer pliable blue tray. The outer blue tray retains heat around the inner white tray. This affords the inner white tray more time to form to your teeth. The end result is an oral appliance that is more comfortable and snugger than what a dentist could fabricate.


Less Bulky! More Comfortable!

Oral appliances made by dentists have mechanisms placed on the outer walls of the oral appliance to hold the upper tray and lower tray together. The outer walls are built up to support these mechanisms resulting in a bulky and uncomfortable oral appliance.

American Sleep Union Oral Appliance is made with patented dual lock placed discreetly between the upper and lower teeth on the mouthpiece to hold them together. The outer walls are not built up resulting in an oral appliance slimmer and more comfortable than oral appliances made by dentists.


Less Bulky



Easiest Oral Appliance to Adjust

American Sleep Union Oral Appliance is the easiest oral appliance to use. No more special trips to the dentist’s office are needed to adjust your oral appliance. To use, simply place the oral appliance on your lower teeth, then the other oral appliance on your upper teeth. Bring your lower jaw forward a ¼ of an inch (bring your lower teeth forward so they are even with your upper teeth) and bite down. Sustaining your lower jaw forward opens the airway to your lungs. To open the airway more, bring your lower jaw more forward. For more comfort, bring your lower jaw back. By wearing the American Sleep Union Oral Appliance at night you will eliminate or reduce your sleep apnea and snoring.


Disengage the American Sleep Union’s patent fastening system by peeling thelower tray from the upper tray.


Put the upper and lower trays in your mouth..


Reposition the lower jaw forward a 1/4 inch and bite down

Replace your CPAP 100% of the Time or Part Time

If you are currently using a CPAP, American Sleep Union’s Oral Appliance is FDA Cleared to replace your CPAP in treating your sleep apnea or snoring. The oral appliance is great to use when it is not conducive to use a CPAP like traveling, camping, etc. Or if you cannot tolerate your CPAP, the oral appliance is FDA Cleared to replace your CPAP.


Sleep Apnea or Snoring Oral Appliance

American Sleep Union has 2 oral appliances FDA Cleared. FDA Cleared oral appliance for snoring and an FDA Cleared oral appliance for sleep apnea. Depending on if you are trying to eliminate snoring or sleep apnea, you have a choice with American Sleep Union.


FDA Cleared for Sleep Apnea

American Sleep Union’s sleep apnea oral appliance uses the dual lock and telescoping arms to sustain the bottom jaw forward to eliminate or reduce sleep apnea and snoring.


FDA Cleared for Snoring

American Sleep Union’s snoring oral appliance uses the dual lock to sustain the jaw forward to eliminate or reduce snoring.

Best Quality / Less Expensive

Oral Appliances equivalent in quality provided by dentists cost $2,000 to $3,000. The American Sleep Union Oral Appliance is the most comfortable and easiest to use oral appliance of any oral appliance made by dentists but without the hefty price tag. American Sleep Union’s Oral Appliance is thousands less than the oral appliance provided by dentists. Better quality, more comfortable, easiest to use and thousands less, that’s what the American Sleep Union’s Oral Appliance offers.


With the 2 tray system, making a custom fitted oral appliance is made easy


Preheat oven to 175° Fahrenheit. Place blue and white tray on a baking sheet and leave in oven for 7 minutes.


After 7 minutes, remove blue and white tray from the oven and seat it over your upper teeth. Close mouth
without biting down on tray. Suck on the tray while rubbing your index finger along the front and back of the
blue tray for 5 minutes.


Remove white tray from blue tray. Repeat steps 1-3 on lower teeth.


Take white trays to your dentist or doctor’s office and have them sign the enclosed order form.


Place both upper and lower trays in the retainer box. Include the signed order form and retainer box in the
pre-addressed envelope in the mail.


American Sleep Union will make necessary adjustments to the oral appliance and mail it back.

In just a few steps you have a custom oral appliance that is quick, comfortable and more effective to use.


California Dental Union

Study on Oral Appliances Made By Dentist Reveals

ASU Oral Appliance Most Comfortable

  • California Dental Board Confirms ASU Oral Appliance Most Comfortable
  • Most comfortable oral appliance according to dental boards

A study was exercised by the California Dental Board on all major oral appliances to confirm what oral appliance was the most comfortable and effective. After testing 20 oral appliances on hundreds of patients, patients reported that the ASU oral appliance was the most comfortable oral appliance to wear and easiest to use.

(Oral Appliance is called the Hilsen Oral Appliance)


ASU will pay a dentist to make you an oral appliance

American Sleep Union is confident that you will find the ASU Oral Appliance more comfortable and easier to use than any oral appliance that a dentist provides. If you find the oral appliance not to meet or exceed any of the statements below, American Sleep Union will pay a dentist to fabricate you an oral appliance (ASU will pay up to $2,000 for the oral appliance).


Why the American Sleep Union Oral Appliance is more effective than any oral appliance made by a dentist:

  1. Forms to your teeth better
  2. Less Bulky in your mouth
  3. More comfortable for you to wear
  4. More convenient for you to make
  1. Easier for you to use
  2. Better quality and less expensive
  3. FDA cleared for sleep apnea and snoring
  4. FDA cleared for sleep apnea when prescribed by a doctor

FDA Cleared

American Sleep Union Oral Appliance is

FDA Cleared

For American Sleep Union to get their oral appliance FDA cleared, ASU had to:

  • Provide extensive studies and clinical trials that demonstrated that our oral appliance eliminates sleep apnea and snoring. The FDA verified and approved American Sleep Union’s oral appliance to eliminate or reduce sleep apnea and snoring.
  • Provide and follow extensive quality control procedures that demonstrate that our oral appliance is made according to strict procedures and is of the highest quality.
  • Provide lab tests that demonstrate that all materials used in the oral appliance are safe for the patient.
  • Provide an extensive risk analysis that demonstrates that our oral appliances are extremely safe for the patient.
  • Plus other extensive measures.

U.S. Department of Health reports that

80% of people found an oral appliance to be effective.

In 127 studies analyzing 3,027 patients, the U.S. Department of Health & Human Services found that:

  1. 97% of patients who used the oral appliance considered it effective in eliminating or reducing sleep apnea and snoring. Click to see study!
  2. 75% of patients who used the oral appliance reduced sleep apnea by more than 50%. Click to see study!
  3. 58% of patients who used the oral appliance eliminated sleep apnea. Click to see study!
  4. 70% of patients who used the oral appliance and 70% of their bed partners reported improvements in snoring. Click to see study!
  5. 91% of these bed partners reported they slept better when their partner wore the oral appliance. Click to see study!
  6. 100% of patients who used the oral appliance reported improvement in daytime functions. Click to see study!
  7. 75% of patients who used the oral appliance were more alert. Click to see study!
  8. 75% of patients who used the oral appliance experienced a reduction in sleepiness. Click to see study!
  9. Patients who used the oral appliance noticed reductions in blood pressure from 132.0/82.1 to 7.5 / 79.2 mmHg. Click to see study!
  10. Patients who used the oral appliance reduced sleep apnea symptoms by 60% (31 AHI to 14 AHI). Click to see study!
  11. 80% of users preferred the oral appliance over the CPAP. Click to see study!

Snoring and Sleep Apnea Increase your health risk

The Centers for Disease Control and Prevention warns that snoring and Sleep Apnea may cause:

  • Irregular Heart Beats
  • Obesity
  • Excess Body Weight
  • Lack of Brain Development
  • Depressions
  • Lack of Sleep
  • Sleepiness
  • Diabetes
  • Premature Death
  • Increase in Blood Sugar
  • Cardiovascular Disease
  • Hypertension
  • Stroke
  • Coronary Heart Disease

What is oral appliance therapy for obstructive sleep apnea?

Oral appliance therapy (OAT) for obstructive sleep apnea (OSA) is a way of mechanically expanding the upper airway so that it resists collapse when you sleep.

There are two kinds of oral appliances, but both involve moving the tongue. One type, the tongue retaining device (TRD), works by enveloping the tongue in a soft plastic cavity and holding it in place by suction. The TRD is shaped to fit on the teeth sort of like a mouth guard, in such a way as to position the tongue forward off the back of the throat. The other type, the mandibular advancing appliance (MAA), is a device that fits over the upper and lower teeth. The upper teeth serve as an anchor, and the part of the device on the lower teeth can be advanced so that the lower jaw, the mandible, is moved forward. Because the tongue is attached to the point of the lower jaw, moving it forward moves the tongue off the back of the throat and increases the size of the upper airway.

Of the two kinds of oral appliance, the MAA is much more widely used, and most of the research on OAT involves this type of appliance. Research suggests that the appliances that are custom fitted to a patient’s teeth work the best, and this fitting is usually done by a dentist knowledgeable about MAA treatment of OSA. The adjustable appliances allow the advancement of the mandible to be titrated to maximize the treatment efficacy possible in any individual patient. In a sense the upper airway is a tube in a container of soft tissue in a bony box. The MAA enlarges the box, reducing the amount of collapsing pressure the tissue exerts on the airway.

MAA therapy can work even with those with quite severe PSA. Although it does not reduce the frequency of obstructive events – the apnea/hypopnea index (AHI) – as dramatically as continuous positive airway pressure, it reduces the AHI by over 50% in about 60% to 70% of patients in whom it is used, and lowers the AHI to less than 10% in about half. It is more likely to be successful in younger patients, those with less obesity, and those who have most of their obstructive breathing when they are sleeping on their backs.

Not everyone can use a MAA. For one thing, you have to have teeth. Some folks have jaw pain that prevents use. There are side effects such as changes in one’s bite and excessive salivation. However most patients who have tried both CPAP and OAT prefer the later, and appear much more likely to use it properly.


Fair & Balanced

Sleep Apnea a Killer for Men Over the Age of 40

Severe breathing disorders during sleep, such as sleep apnea, can kill, a study in more than 6,000 people shows

Men 40 to 70 years old with severe sleep-disordered breathing were twice as likely to die over an eight-year period as their peers without the condition, Dr. Naresh Punjabi and his colleagues at Johns Hopkins University in Baltimore found.
Sleep-disordered breathing is characterized by the collapse of the upper airway during sleep leading to numerous, brief interruptions of breathing known as sleep apnea. The disorder is associated with high blood pressure and heart disease, Punjabi and his team note in the journal PLoS Medicine.
About one in four men and one in ten women have sleep-disordered breathing, but the condition goes undiagnosed in 70% of patients, Punjabi noted in an email to Reuters Health.
In the Sleep Heart Health Study, Punjabi and colleagues assessed nighttime breathing, sleep patterns and blood oxygen levels of 6,441 men and women aged 40 and older at the study’s outset who were not initially receiving treatment for sleep apnea.
During follow-up, which averaged 8.2 years, 1,047 people died.
People with severe sleep-disordered breathing, the researchers found, were nearly 1.5 times more likely to die during follow up than those without sleep-disordered breathing, even after controlling for age, race, body weight, high blood pressure, diabetes, heart disease and smoking status.
The risk was especially great for men 40 to 70 years old, who were roughly two times more likely to die during follow up if they had severe sleep-disordered breathing. While sleep-disordered breathing also increased men’s risk of death from cardiovascular disease, it didn’t affect women’s likelihood of dying from heart disease.
“The relation between sleep apnea and higher risk of death seems to be from the repeated decreases in oxygen levels during sleep,” Punjabi said. “Low oxygen levels during sleep can trigger a cascade of events…which can lead to high blood pressure, heart disease, stroke, and diabetes.”
The current standard treatment for sleep apnea is continuous positive airway pressure (CPAP), in which a person wears an oxygen mask during sleep to help push air into the lungs. But 30 percent to 40 percent of patients can’t tolerate CPAP, according to Punjabi. For these patients devices worn in the mouth or even surgery are options, he added, but aren’t always effective, and surgery can be risky.
Weight loss is likely the best option, Punjabi added, because it usually leads to improvement of sleep apnea symptoms and in some cases a complete cure.
He and his colleagues are now planning to investigate sleep apnea and mortality in women, because the current study included too few women with severe sleep disordered breathing and too few deaths among women to draw definitive conclusions.
They conclude their report by calling for clinical trials to investigate whether treating sleep apnea will reduce mortality.

What our customers are saying


Vorris Justesen,

I recently purchased your oral appliance and it has made a profound change in my life. For the last 5 years I’ve been held hostage nightly by a CPAP machine. The mouth appliance that you provided to me with lower jaw extension has allowed me to retire my CPAP machine and sleep better than ever before. Medically, I have been diagnosed with “mild to moderate” sleep apnea and have tried just about all the other options to CPAP therapy there are. Nothing has worked until now!
Best Regards,


I purchased one of your company’s mouthpieces a couple of months ago and have used it for approximately 3-4 weeks. It worked terrific in reducing my snoring and decreased wake up frequency during the night. My wife is very happy to say the least! Your product is great and at a good price point. To date, I am extremely happy with your customer service representatives as well. I’ve spoken to two reps so far and each has been very nice and very helpful.

Thank You!


Thanks for offering such a wonderful product! My wife loves you guys! I suggested your services and product to many of my friends and have heard that their wives are also thankful. Thanks for your help and again, thanks for your great product!



After seven years of living with a CPAP every night, I have enjoyed five good nights of sleep without snoring. Your appliance fits perfectly. No trimming was necessary and I’m extremely satisfied.


How snug is the oral appliance?

The oral appliance fits your teeth like a surgical glove fits a hand. In fact, the oral appliance is as snug or more snug then the oral appliance made by a dentist.

Does the oral appliance reduce or eliminate sleep apnea?

The oral appliance has been FDA cleared to eliminate or reduce sleep apnea and snoring. The oral appliance has been clinically proven to eliminate sleep apnea. In clinical studies it has shown to eliminate or reduce sleep apnea in 80% of users. If I order an oral appliance will my insurance company or Medicare continue to pay for my CPAP supplies?

While I am wearing the oral appliance, will I be able to breathe through my mouth?

The oral appliance is constructed so there is an 1/8 inch opening in the front of your teeth so you can breathe through your mouth while you sleep.

Is the oral appliance adjustable?

The oral appliance is constructed so that you may adjust it to your liking. Simply put the lower and upper tray in your mouth and seat firmly against your teeth. Bring your jaw forward and bite down. To readjust the oral appliance, peel the lower tray from the upper tray and repeat the steps above.

Is the oral appliance comfortable?

The oral appliance is extremely comfortable. It is preferred 80% of the time over CPAPs.

Is the oral appliance guaranteed?

American Sleep Union guarantees its quality. If you experience any problem with your oral appliance, American Sleep Union will fix or replace it for free for 6 months.