Mouth Tape vs Nasal Dilator: Which Helps You Sleep Better?

Key Takeaways

  • It’s best to use mouth tape if your nasal breathing is fine, but your mouth falls open while you sleep. Use a nasal dilator if a nasal blockage is the cause of your snoring.

  • Nasal dilators can also help stop mouth breathing (if nasal resistance is the root issue) since better nasal airflow makes it easier to breathe through your nose.

  • The best results often come from combining mouth tape and nasal dilators to promote consistent nasal breathing and reduce snoring.


Snoring happens when airflow is partially blocked during sleep, causing the soft tissues in your airway to vibrate. This is more than just an annoyance, it can often lead to poor sleep quality for both you and your partner. 

Mouth breathing is also closely linked with snoring and sleep concerns. When you breathe through your mouth at night, airflow becomes less efficient, and you are more likely to wake up with a dry mouth and throat.

When it comes to mouth tape vs nasal dilators, mouth tape helps when snoring is caused by open-mouth breathing, and nasal dilators help when nasal obstruction or congestion is limiting airflow through your nose. Both are simple, drug-free tools designed to encourage nasal breathing and reduce snoring. 

In this guide, you will learn how each works, which one fits your situation, and when combining both may deliver better sleep results.


Why Nasal Breathing Matters More Than You Think

Nasal breathing filters air, humidifies it, and supports oxygen intake breathing. On the otherhand, mouth breathing dries out your airway and can contribute to snoring due to soft tissues collapsing inwards into your throat.

If you breathe through your nose while you sleep, you can:

  • Prevent mouth breathing

  • Improve nasal airflow

  • Reduce dry mouth and bad breath

  • Support better breathing and snoring control

Both mouth tape and nasal dilators are designed to encourage healthier nasal breathing.

Learn more about common nasal breathing problems.


What Is Mouth Tape and How Does It Work

Mouth tape is a small adhesive strip placed over your lips to keep your mouth closed while you sleep. It works by:

  • Preventing mouth breathing

  • Encouraging you to breathe through your nose

  • Reducing dry mouth and throat

  • Improving oral health

  • Helping to reduce snoring caused by open-mouth breathing

  • Supporting deeper sleep

Learn more about the benefits of mouth taping for sleep and check out our guide on the best natural mouth tape. 

 

Pros of Mouth Tape

Mouth tape works best when nasal airflow is already clear. Its main benefit is promoting consistent nasal breathing during sleep and boosting oral health. 


Pro 1: Promotes Nasal Breathing for Better Health

Mouth tape keeps your mouth closed while you sleep. This encourages you to breathe through your nose instead of your mouth.

Nasal breathing supports:

  • Better oxygen intake

  • Air filtration

  • Improved airway stability

  • Reduced dry mouth and bad breath


Pro 2: Helps Prevent Snoring Caused by Open-Mouth Breathing

If snoring is triggered by your mouth falling open at night, mouth tape addresses the root cause by:

  • Gently keeping your mouth closed

  • Reducing the vibration in your throat from open-mouth airflow

  • Supporting better nasal breathing 

Mouth taping may provide noticeable snoring reduction right away when your nasal passages are not blocked.


Pro 3: Comfortable and Easy to Use

High-quality mouth tape stays on throughout the night, and after a short adjustment period, most users report minimal discomfort, eventually forgetting they’re wearing it at all. It is also cost-effective, with most options costing less than $1 per night.

Application is super simple:

  • Clean your lips to remove excess oils

  • Apply your tape

  • Remove it gently in the morning

Take a look at the difference between mouth tape vs mouth guards here. 


Cons of Mouth Tape

Unfortunately, mouth tape does not fix nasal obstructions and shouldn’t be used when you can’t breathe out of your nose. It also may not be suitable for everyone’s skin.


Con 1: May Cause Skin Irritation

If the brand does not use hypoallergenic adhesive, irritation can occur while using the tape or upon removal. Common issues include:

  • Redness

  • Sensitivity

  • Mild peeling

Not all tapes are created equal! Switching to a different brand that uses soft, hypoallergenic fabrics and adhesives, like Dream Mouth Tape, often resolves this.


Con 2: Some People Feel Anxious About Taping Their Mouth Shut

It’s normal if the idea of taping your mouth feels uncomfortable and anxiety-provoking at first. Some people might feel restricted and claustrophobic for the first few nights, but this feeling often fades with time, especially as nasal breathing begins to feel more natural. 

Remember: If a nasal blockage or congestion exists, address that first before using mouth tape.

 

Con 3: Quality and Practical Limitations

Lower-quality tapes may loosen during the night, causing mouth breathing to return. Other limitations include: 

  • You cannot talk while wearing it

  • You cannot drink water without removing it

  • It does not treat obstructive sleep apnea*

*While mouth taping may help with snoring and mild sleep apnea, it is not a medical treatment for diagnosed sleep apnea. Take a look at the difference between mouth tape vs CPAP here.

Compare product quality here with our full Noctivio Mouth Tape Review and Vio2 Mouth Tape Review.

 

What Is a Nasal Dilator and How Does It Work

A nasal dilator is a device that physically opens up the nasal passages to improve airflow. There are two main types of nasal dilators:

  • External nasal dilator: Adhesive nasal strips placed across the bridge of your nose with a spring-like action to pull the cartilage open from the outside.

  • Internal nasal dilators: Small devices inserted into the nostrils to physically widen the airway from the inside.

Unlike mouth tape, nasal dilators work by reducing airway resistance in the nasal passages. 

Learn more about the difference between nasal strips vs nasal dilators here, and check out our in-depth Airmax Nasal Dilator Review.

Pros of Nasal Dilators

Nasal dilators work best when restricted nasal airflow is the cause of snoring. They provide structural support to open the nasal passages and improve breathing immediately.

Pro 1: Immediate Airflow Improvement

Nasal dilators are designed to physically open the nasal airway, and once inserted or applied, they:

  • Open up the surface area of the nasal passages

  • Improve nasal airflow instantly

  • Reduce resistance during each intake of breath


Pro 2: Reliable for Snoring Caused by Nasal Restriction

If snoring is caused by nasal valve collapse, a deviated septum, or restricted airflow from congestion, a nasal dilator directly addresses the problem. It can:

  • Reduce snoring intensity

  • Provide relief for snoring linked to nasal blockage

  • Support better airflow throughout the night

This makes it a strong option when nasal obstruction is the primary cause of snoring.


Pro 3: Improves Sleep Quality Quickly

Many people report better sleep quality within the first night. Benefits include:

  • Less snoring

  • Easier breathing

  • Reduced nighttime mouth breathing

Because nasal airflow improves immediately, results are often predictable and consistent.

Nasal dilators are also:

  • Drug-free

  • Safe for frequent daily use

  • Available with sensitive skin adhesives

  • Helpful during workouts as well as sleep

 

Cons of Nasal Dilators

Nasal dilators are often effective, but they still have their limitations.


Con 1: Adhesive Irritation with Lower-Quality Products

Some poor-quality external nasal dilator strips use adhesives that can irritate sensitive skin. This may cause:

  • Redness

  • Mild discomfort

  • Skin peeling

Checking product reviews before purchasing is important, especially when comparing common options like Breathe Right Nasal Strips.

Tip: Choose products labeled for sensitive skin or medical-grade, hypoallergenic adhesive like Dream Recovery Second Wind Nasal Strips.


Con 2: Only Works While Being Worn

A nasal dilator does not permanently fix nasal obstruction, it only works while in place. Once removed, the nasal passages return to normal, and airflow support disappears.

This makes it a nightly tool rather than a long-term structural solution for chronic nasal breathing problems. 


Con 3: Does Not Treat Internal Inflammation

Nasal dilators open the nasal passages structurally, but they do not treat:

  • Sinus inflammation

  • Allergies

  • Nasal polyps

  • Chronic sinus issues

If inflammation is the root cause, additional treatment may be needed alongside a dilator. Take a look at nasal spray vs nasal strips.

Is Mouth Tape or Nasal Dilator More Effective for Snoring

Effectiveness depends on the root cause of your snoring and breathing concerns:

  • Mouth tape helps when snoring is due to open-mouth breathing with good nasal airflow.

  • Nasal dilators work best when nasal airflow resistance contributes to snoring or mild sleep apnea.

  • If you can breathe clearly through your nose during the day, try Dream Mouth Tape first.

  • If you feel nasal congestion or blockage, try using nasal dilators like Second Wind Nasal Strips. 

Not sure if you are a nose breather vs mouth breather? This guide can help. 

Can You Use Mouth Tape and Nasal Strips Together?

Yes, you can use mouth tape and nasal strips together. Many people combine them for the best of both worlds. 

Mouth tape prevents unhealthy mouth breathing, while nasal strips improve airflow through the nose. 
This combo is one of the best ways to biohack your sleep and eliminate snoring.


Why Combining Both Can Help

  • Opens the nasal passages with a dilator

  • Keeps your mouth closed with tape

  • Maximizes nasal airflow

  • Reduces snoring from multiple angles

  • Promotes nasal breathing all night


Practical Tips for Combining Both

  • Insert or apply the nasal dilator first

  • Confirm you can breathe comfortably

  • Use a skin-safe tape

  • Avoid if you have untreated sleep apnea

  • Track snoring reduction and comfort

For best results, here’s how to apply nasal strips. 

Tips on How to Choose the Right Option

#1: Oral Health Concerns

If your mouth opens while you sleep and you struggle with a dry mouth at night or in the morning, choose Dream Mouth Tape. 

Eliminating mouth breathing helps to support a healthy flow of saliva over your mucosal membranes, which boosts oral health and reduces the risk of dental issues stemming from dry mouth. (1) (2)

 

Get Dream Mouth Tape now.

 

#2: Nasal Obstruction

If your nose feels blocked due to a cold, allergies, or other nasal obstruction, opt for Second Wind Nasal Strips for instant airflow and better sleep. (3)

Second Wind Nasal Strips have been proven to improve nasal breathing by up to 33%, enhancing your quality of life and reducing your reliance on mouth breathing. 

Get Second Wind Nasal Strips now.

 

#3: Long-Term Goals

For improving your overall breathing habits and well-being long term, mouth tape may be a better solution to prevent mouth breathing, support nasal breathing (if you are able to breathe through your nose), and reduce some of the symptoms of sleep apnea. (4)

 

#4: Comfort Level

Some users are uncomfortable with the practice of mouth taping since it involves sealing the lips closed. Often, this claustrophobic feeling fades over time, but if you just can’t shake the discomfort and anxiety, nasal strips may be a better option at this time to help support healthier breathing habits. 

 

Make Nasal Breathing a Nightly Habit with Dream Recovery

If you can breathe through your nose but struggle with snoring and wake up with a dry mouth, start with Dream Mouth Tape. It’s safe, gentle on sensitive skin, and builds healthier long-term breathing habits for sleep and overall well-being.

If you struggle with blocked nasal passages from congestion or a deviated septum, go for Second Wind Nasal Strips for quick relief.

Or combine both at once to take your breathing to the next level!

Shop the Dream Recovery Collection now.

 

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