Nasal Dilators and CPAP: Helpful Hack or Fancy Tape?

Are nasal strips just fancy tape — or could they actually help your CPAP?

The answer is both less exciting and more useful than the ads make it sound.

External nasal dilators — things like adhesive nasal strips or devices such as Intake — do not treat sleep apnea. They do not replace CPAP. And they usually do not meaningfully lower your apnea score, because obstructive sleep apnea is usually caused by collapse farther back in the throat — not just at the entrance to the nose.

But here’s where nasal dilators can still be useful.

These devices are designed to gently open the outside of the nose, especially around the nasal valve — one of the narrowest parts of the nasal airway. If that area is a bottleneck for you, opening it even a little bit may make nasal breathing feel easier and allow a stronger flow of air to come in.

This can make breathing through your nose more comfortable. And for CPAP users, comfort matters.

If you use a nasal mask or nasal pillows and your nose feels blocked, CPAP can feel harder than it needs to. You may feel like you are not getting enough air. The pressure may feel uncomfortable. You may open your mouth more. You may get dry mouth or more leak. And you may pull the mask off before morning.

So here is a practical experiment.

Try an external nasal dilator with your CPAP for three nights. This could be a simple adhesive nasal strip, or a reusable device like Intake if you prefer that style.

Before you start, look at your usual CPAP data: usage time, leak, and residual AHI. Then use the nasal dilator with your normal mask setup and ask yourself four questions.

• Did it feel easier to breathe through my nose?
• Did I keep my mask on longer?
• Did mouth leak or dry mouth improve?
• And did my CPAP data look better, especially leak and usage time?

If the answer is yes, a nasal dilator may be a helpful comfort tool for you.

But if you are still congested, still mouth leaking, or still struggling to use nasal CPAP, do not stop there. Talk to your doctor about whether there are other things to think about — such as allergies, nasal inflammation, humidification settings, a deviated septum, enlarged turbinates, or another reason your nose may be making CPAP harder than it needs to be.

And for some people, the best nasal CPAP strategy is two-part: open the nose with a nasal dilator, and reduce mouth leak with something like the SomnoSeal, which I discuss more in other videos.

My bottom line: nasal strips and other nasal dilators are not medical miracles. They are not sleep apnea treatments. But for the right CPAP user, they can be simple, low-risk tools that help nasal breathing feel easier — and sometimes that is enough to help CPAP finally feel more comfortable.

Sleep well and I’ll see you next week!

Music: Daily Beetle by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license.