If you smoke—or used to—you might be wondering: Is this affecting my sleep?

The short answer is yes. Smoking is linked to a higher risk of obstructive sleep apnea (OSA)—a condition where your breathing repeatedly pauses during sleep.

Studies show that smokers are more likely to develop sleep apnea than non-smokers, and the risk increases the longer and more heavily someone has smoked.

But what does that actually mean for your health and daily life? Let’s walk through it in a clear, simple way.

How Smoking Affects Your Risk of Sleep Apnea

Research suggests that people who currently smoke may have 20% to nearly 90% higher odds of having sleep apnea compared to those who never smoked.

That doesn’t mean smoking is the only cause—but it’s an important risk factor, especially when combined with:

• Weight gain

• Aging

• Airway anatomy

• Family history

The more you smoke, the higher your risk

It’s not just whether you smoke—it’s how much and how long.

People with a longer smoking history tend to:

• Experience more breathing interruptions at night

• Be more likely to develop moderate to severe sleep apnea

Why Smoking Makes Breathing Worse at Night

Smoking affects your airway and sleep in several ways:

1. It causes airway inflammation

Cigarette smoke irritates the tissues in your throat, leading to swelling and narrowing of the airway.

When your muscles relax during sleep, that narrowed airway is more likely to collapse, causing snoring and breathing pauses.

2. It weakens your body’s airway reflexes

Your body normally works to keep your airway open while you sleep.

Smoking can dull those protective reflexes over time, making it easier for breathing to become unstable during the night.

3. It disrupts your sleep quality

Nicotine can interfere with your natural sleep cycle.

This can lead to:

• Frequent awakenings

• Lighter, less restorative sleep

• Daytime fatigue and brain fog

Even without sleep apnea, smokers often report poorer sleep overall.

What About Secondhand Smoke?

Secondhand smoke doesn’t just affect adults—it can significantly impact children too.

Kids exposed to smoke at home are more likely to:

• Snore regularly

• Have breathing pauses during sleep

• Experience restless or poor-quality sleep

👉 Making your home and car completely smoke-free is one of the most important steps you can take for your family’s health.

Will Quitting Smoking Fix Sleep Apnea?

Quitting smoking is one of the best things you can do for your health—but sleep apnea doesn’t always go away right away.

What improves:

• Airway inflammation decreases over time

• Overall breathing and heart health improve

• Long-term risk goes down

What may not change immediately:

• Airway structure may still be narrow

• Long-term changes from smoking take time to reverse

• Weight gain after quitting can affect breathing

👉 In fact, weight changes after quitting can influence sleep apnea symptoms. Learn more here:
Sleep Apnea and Weight Gain Connection

Signs You Should Get Checked for Sleep Apnea

If you smoke or used to smoke, it’s important to watch for symptoms like:

• Loud or frequent snoring

• Gasping or choking during sleep

• Waking up tired

• Morning headaches

• Trouble concentrating

Not sure if your symptoms point to sleep apnea?
Take this quick guide:
Do I Have Sleep Apnea? Self-Assessment Guide

Treating Sleep Apnea While You Quit Smoking

You don’t have to wait until you quit smoking to feel better.

Sleep apnea can (and should) be treated at the same time.

Common treatment options include:

• CPAP therapy (keeps your airway open during sleep)

• Custom oral appliances

• Myofunctional therapy (airway exercises)

Treating sleep apnea can help you:

• Sleep more deeply

• Improve energy and focus

• Reduce long-term health risks

Practical Next Steps

Here’s a simple plan you can follow:

• Start a structured plan to quit smoking (support + medication if needed)

• Get evaluated if you have symptoms of sleep apnea

• Begin treatment early to improve your sleep and overall health

• Keep your home smoke-free—especially around children

Final Thoughts

So—does smoking increase sleep apnea?

Yes. Smoking raises your risk and can make breathing problems during sleep worse. The effects are stronger with long-term or heavy smoking, and secondhand smoke can impact children as well.

The key takeaway is this:

👉 You don’t have to wait to feel better.
You can improve your sleep now by addressing both smoking and your airway health together.

Ready to Take the Next Step?

If you’re dealing with snoring, fatigue, or suspected sleep apnea, getting the right diagnosis is the first step.

👉 Book your sleep apnea consultation in Calgary today and take the first step toward better sleep and better health: