Are You A Mouth Breather? Here's 5 Signs You Might Be (And How It Affects Your Sleep)

By Sarah J. 

🕒 4 Minute Read - Last Updated Wednesday Feb 12, 2025

Do you wake up feeling exhausted despite getting a full night's sleep? Your body might be trying to tell you something important – you could be a mouth breather, and it's affecting your life more than you realise.
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Are you dragging yourself through each day, even after what should be a full night's sleep? 

 

Your body might be sending you an urgent warning signal – and it's one that millions of Australians are missing.

 

A revolutionary sleep study from the Sleep Research Institute discovered that 72% of people who feel chronically tired are actually suffering from one hidden problem: they're breathing through their mouth while they sleep.

 

Even more shocking? Most have no idea it's happening.

5 Warning Signs Of Mouth Breathing

World-renowned journalist and sleep researcher James Nestor made a shocking discovery in his groundbreaking book "Breath." 

 

Through clinical testing, he found that mouth breathing slashes oxygen uptake by up to 30% compared to nasal breathing.

 

When he conducted a revolutionary experiment blocking his nose for 10 days, the results were staggering: his blood pressure spiked by 13 points, his stress hormones doubled, and his sleep quality plummeted by 37%.

 

But here's what you need to know: according to the Australian Sleep Association, 1 in 3 Australians are unknowingly mouth breathing every night. 

 

Here are the 5 warning signs you might be one of them:

1. You're Constantly Tired (Even After 8+ Hours of Sleep) 

The most telling sign of mouth breathing is persistent fatigue, even after what should be a restful night's sleep. When you breathe through your mouth while sleeping, your body works overtime trying to process unfiltered air, leading to poor sleep quality. 

 

Studies show that 50% of mouth breathers report feeling chronically tired, with many describing their mornings as "feeling like they haven't slept at all.

2. Your Partner Complains About Your Snoring

If your significant other has ever nudged you in the middle of the night or moved to the couch, you're not alone. 38% of mouth breathers report that their snoring was causing relationship tension before finding a solution. 

 

Mouth breathing is one of the leading causes of disruptive snoring, affecting not just your sleep but your partner's rest as well.

3. You Have a Drooped Jawline

Take a look in the mirror - do you notice a less defined jawline or a slightly recessed chin? This isn't just about aesthetics. 

 

Chronic mouth breathing can actually reshape your facial structure over time, leading to a drooped jawline and weakened facial muscles that create a vicious cycle of breathing difficulties.

4. You Struggle With Nasal Congestion

Feel like you can't breathe through your nose properly? 30% of people report chronic nasal congestion that forces them to breathe through their mouth. 

 

While it might seem natural to breathe through your mouth when congested, this actually creates a vicious cycle that can make congestion worse over time.

 


5. You Wake Up With A Dry Mouth & Morning Breath

If you wake up desperately needing water and battling stubborn morning breath that won't go away no matter how well you brush, you're experiencing classic signs of mouth breathing. 

 

Eight hours of sleeping with your mouth open creates the perfect environment for bacteria to thrive, leading to these persistent morning problems.

How to Optimise Your Breathing Patterns and Protect Your Long-term Health

The science is clear: proper breathing patterns during sleep are crucial for your overall health, cognitive function, and athletic performance. Just as you wouldn't run a marathon without proper training, you shouldn't let poor breathing habits sabotage your health night after night.

Don't wait for your health to deteriorate...

Luckily, there's a solution that can transform your sleep quality tonight. One that provides proper breathing support night after night, week after week, and month after month. That's as reliable as your own body's natural breathing mechanics. 

 

It's BWLL Mouth Tape.

 

Just one night with BWLL Mouth Tape can make the difference between exhaustion and a truly refreshing sleep experience. It's designed for comfort and optimal breathing, and it's effortless to apply before bed.

 

After just a few nights, BWLL pays for itself in better sleep quality! So if you're still struggling with poor sleep or enduring the effects of mouth breathing... 

 

You could be hindering your health and missing out on the energy you deserve.

Join Thousands Breathing Better With BWLL

Join Over 2000+ Satisfied Customers Who've Discovered Better Sleep & Health

What Makes BWLL Mouth Tape an ideal choice?

Not all mouth tapes are created equal. Here's why thousands of Australians trust BWLL for their best sleep ever:

Unmatched Safety & Quality

Medical-grade, hypoallergenic materials

Built-in safety breathing hole

Science-backed design used by sleep specialists

Effortless To Use

Easy to apply in seconds

Removes cleanly without residue

Perfect for beginners and experienced users alike

Superior Comfort

Ultra-gentle adhesive that stays secure all night

Works perfectly with any sleeping position

Suitable for all face shapes and facial hair

 

Real Results

Promotes optimal nasal breathing

Clinically shown to improve sleep quality

Stops snoring from night one

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What Our Customers Are Saying

See How BWLL Is Changing Lives Of People Just Like You 

No More Morning Fatigue

Having struggled with constant tiredness despite 8 hours of sleep, I was desperate for a solution. BWLL's design is brilliant - stays in place all night without being uncomfortable, and I'm finally waking up feeling refreshed. My morning brain fog has lifted, and I actually have energy for my morning gym sessions now. After three months of use, I won't sleep without it.

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Quick note to say these are fantastic. As a side sleeper who was worried about comfort, I was pleasantly surprised - after the first night, I barely notice it's there now. My dentist even commented on the improvement in my gum health! Plus, the morning headaches I used to get have completely disappeared.

- Sarah M., Sydney 

From Skeptic to Sound Sleeper

I put off trying mouth tape for months because it sounded a bit extreme. After my partner moved to the spare room because of my snoring, I finally gave BWLL a try. The breathing hole made me feel completely safe, and within a week, he was back in our bedroom. My sleep tracking shows a 32% improvement in quality. Wish I hadn't waited so long!

- Emma D., Melbourne

Jawline Looks Great!

I started using BWLL for better sleep, but the unexpected benefit has been the change in my facial structure. After six months of use, my jawline is noticeably more defined, and my face looks slimmer. My friends kept asking if I'd lost weight, but it was just from changing my breathing! Beyond thrilled with the aesthetic improvements on top of the better sleep quality. 

- Rachel K., Perth

Game-Changing for Athletes

As a CrossFit coach, I'm always looking for ways to improve recovery and performance. Was skeptical about the price compared to regular tape, but the difference in quality is night and day. My resting heart rate has dropped, my morning breath is better, and I'm hitting new PRs in training. It's become as essential as my protein shake - worth every cent.

- Tom B., Adelaide

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