Top 10 CPAP Issues Solved | 2026 Edition
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Struggling with your CPAP machine? Clay from CPAPmyway has compiled the top 10 most common CPAP complaints—from mask leaks to dry mouth—and provided quick, at-home solutions. Read on to learn how to fix these everyday issues yourself without ever having to call your equipment provider.
Table of Content
The 10 Most Common CPAP Issues and Solutions
10 Common CPAP Problems & Quick At-Home Solutions
1. Mask Leaks
Mask leaks are the number one complaint heard from customers, and almost everybody experiences them from time to time. Often, users attempt to tighten their mask to stop the leak, but this is usually the wrong approach.
Change out the seal: If you are having leaks two months into therapy, your cushion (whether fabric or silicone) has worn out. If you have to strap the mask tighter to account for a leak, you already missed the window to change the seal.
Try a new mask style: If you are a brand new user experiencing leaks, your facial features likely do not match the mask selected for you. Switching styles, such as moving from a full-face mask to a nasal mask, is often the remedy.
2. Feeling of Suffocating / Can't Exhale
Many users complain that they can't exhale against the pressure or feel like they are suffocating. This is often a mental hurdle, as the CPAP machine is specifically designed to keep your airways open and keep you breathing.
Adjust exhalation relief: Turn up machine settings like EPR, C-Flex, or RESflex (up to a max of three) to give you more relief as you exhale.
Change mask size: Nasal pillow masks direct all air through tiny nostril holes, making it harder to exhale. Switching to a larger mask provides more volume to exhale into.
Practice while awake: Wear the CPAP mask while sitting down to watch a movie or relax. This helps you get used to the feeling of pressure in your airway.
3. Dry Mouth on CPAP
Waking up with a mouth as dry as the Sahara Desert is a highly common issue, but it is typically very easy to remedy. It frequently happens when users wear a nasal mask, but their mouth drops open during sleep, letting the air rush in the nose and directly out the mouth.
Switch to a full-face mask: Moving to a full-face mask allows you to inhale and exhale through either your mouth or nose while still receiving humidified air.
Adjust humidity settings: If you already use a full-face mask, go into your machine's settings and increase the humidity one tick at a time. If you have a heated tube, turn the temperature up slightly to compensate.
4. Water in the CPAP Tube
Also known as "rainout," this issue occurs when condensation builds up inside the tube, resulting in water spraying on your face at night. This frequently happens when seasons change, cold fronts come through, and bedroom temperatures drop.
Use a heated tube: Modern machines can use a heated tube that regulates the temperature from start to finish via internal coils, providing constant, steady humidity that won't condense.
Turn up tube temperature: If you already have a heated tube but still get condensation, turn the tube temperature up so it can carry more moisture.
Turn down humidity: If your machine cannot utilize a heated tube, you will need to turn your overall humidity setting down to stop the condensation.
5. Lines on the Face
Waking up with mask or strap lines across your cheeks is usually a direct result of over-tightening your headgear to maintain a seal.
Replace the cushion: If you didn't have mask lines when you started but do now, your cushion has likely gone bad. Get a fresh cushion and loosen the straps so you do not have to tighten the mask as much.
Change the mask: If you are over-tightening the mask just to try and force it to seal all night, you simply have the wrong mask and should try a different model.
6. Bloating or Swallowing Air
Waking up with a distended stomach and feeling the need to burp means you are swallowing air while using the CPAP at night. This is a touch one because you almost always need some help from your doctor, and potential changes to settings. Sometimes a change in mask can help and may be a good place to start.
Consult your doctor: Doctors generally explain that this issue occurs when the machine pressure is too high.
Try a different mask: Sometimes a change in mask style can make all the difference.
Reduce pressure settings: A doctor will typically recommend a reduction in your pressure, or lowering the top pressure limit of your Auto CPAP range, to resolve the swallowing of air.
7. Claustrophobia
Feeling like you are trapped in a box is a legitimate struggle for many people when putting on a CPAP mask.
Downsize the mask: If you are using a large, traditional full-face mask and feel claustrophobic, consider downsizing to a more minimal option to have less material on your face.
Try a larger mask: Counterintuitively, some users feel claustrophobic in small masks because they cannot breathe normally through their mouth. Switching to a larger mask that allows standard breathing can cure the suffocating feeling.
8. Mask Noise Bothering Bed Partner
If your bed partner complains about the noise or feels a draft blasting them like a pressure washer, you are likely using an outdated mask design with a heavy exhalation port.
Upgrade to a modern mask: Newer masks feature excellent diffusers built into the front. This diffuses the exhalation draft so heavily that it is incredibly quiet and virtually undetectable to your bed partner.
CPAP Machines are almost silent: At less than 30 decibels a CPAP machine will be way quieter than your snoring for sure.
Get back to sleeping in the same bed as your spouse.
9. Mask Falling Off at Night
Some users wake up to find their mask is completely off their head. This happens frequently with modern, easy-to-remove masks; movement in bed or a push of the head can easily knock them off in the middle of the night.
Switch headgear styles: If the mask keeps slipping off after your first couple of weeks, switch to a mask with traditional four-point headgear. This provides a much more stable fit that requires active effort to remove from your face.
10. Still Waking Up Exhausted
If you are using your CPAP faithfully but still feel exhausted and need to suck down coffee all day, the CPAP itself is rarely the issue.
Review machine data: Check your machine or app to see if your Apnea-Hypopnea Index (AHI) is under five; if it is, the CPAP is successfully solving your sleep apnea.
Consult your doctor: If your scores look good but you are still exhausted, do not give up on the CPAP. Take your data back to your doctor to review your overall health and ensure there are no other medical issues, such as central apnea, or lifestyle and dietary choices causing the fatigue.
Don't Give Up on Your Sleep Apnea Therapy
Dealing with CPAP machine problems can be frustrating, but as we've covered, most of these top 10 CPAP issues have quick, at-home solutions. Whether you are battling mask leaks, dry mouth, or condensation in your tube, the right settings adjustment or a simple mask swap can make all the difference for your comfort. Remember, your CPAP is designed to successfully treat your sleep apnea, so don't give up on it! If your machine data shows your therapy is working but you still feel exhausted, take your report back to your doctor to review your overall health.
Join the CPAP Team!Did we miss any common CPAP frustrations? Leave a comment below with your experience! If you found these troubleshooting tips helpful, be sure to share this post with your fellow CPAP users. And don't forget, if you need to try a different style to solve your mask lines or claustrophobia, CPAPmyway offers a 30-day mask guarantee to help you find the perfect fit without the risk.
Frequently Asked Questions
Why is my CPAP mask leaking and how do I fix it?
If your CPAP mask begins leaking after a couple of months of use, the cushion (silicone or fabric) is likely worn out and needs to be replaced. If you are a brand new user and experiencing leaks, the mask style probably doesn't match your facial features. You may need to swap to a different style, such as switching from a full-face mask to a nasal mask. Remember, if you have to overtighten your straps to stop a leak, it is time for a new cushion or a new mask entirely.
How can I stop waking up with a dry mouth from my CPAP?
Dry mouth frequently occurs if you use a nasal mask and your mouth drops open during sleep, causing the air to rush out. Switching to a full-face mask usually solves this because you receive humidified air whether you breathe through your nose or mouth. If you already use a full-face mask and still have dry mouth, try increasing your machine's humidity setting and heated tube temperature one tick at a time.
What causes water to build up in my CPAP tube?
Condensation (often called "rainout") happens when warm, humidified air from your CPAP travels through a colder bedroom, which is especially common when seasons change. To stop water from spraying in your face, use a heated tube to maintain a steady temperature from the machine to your mask. If your machine isn't compatible with a heated tube, you will need to turn your overall humidity settings down.
Why do I wake up bloated or with air in my stomach after using CPAP?
Waking up with a distended stomach and needing to burp means you are swallowing air while you sleep. According to doctors, this typically happens when your CPAP pressure is set too high. You should consult your physician to see if reducing your pressure or lowering the top limit of your Auto CPAP range is the right solution for you.
Why do I feel like I can't exhale or I'm suffocating with my CPAP?
This is often a mental hurdle when getting used to the machine blowing pressure into your airway. Rest assured, the machine is keeping your airway open, not suffocating you. To make exhaling easier, you can turn up your machine's exhalation relief settings (like EPR or C-Flex). Additionally, switching from a smaller mask (like nasal pillows) to a larger mask gives you more volume to exhale into, making breathing feel more natural.
Why am I still tired after using my CPAP every night?
If you use your CPAP faithfully but still feel exhausted, check your machine's data. If your Apnea-Hypopnea Index (AHI) is under five, the CPAP is successfully resolving your sleep apnea. Continued fatigue might be due to poor dietary choices, lifestyle habits, or an underlying medical issue like central sleep apnea. Take your CPAP report to your doctor so they can review your overall health.
