Sleeping with sleep apnea comes down to a combination of the right body position, the right equipment, and a few lifestyle adjustments that keep your airway open through the night. None of these strategies work in isolation, but together they can dramatically reduce the number of times your breathing pauses while you sleep.
Sleep on Your Side, Not Your Back
The single easiest change you can make is switching from back sleeping to side sleeping. When you lie on your back, gravity pulls your tongue and the soft tissues in your throat downward, narrowing or completely blocking your airway. Rolling onto your side or stomach helps those tissues stay out of the way. For many people, especially those whose apnea is worst on their backs (called positional sleep apnea), this alone can cut breathing disruptions significantly.
If you naturally roll onto your back during the night, positional therapy devices can help. The simplest version is the old tennis ball trick: attach a bulky object to the back of your sleepwear so lying face-up becomes uncomfortable. More advanced options include small wearable devices (worn on the neck, chest, or forehead) that sense when you’ve rolled onto your back and deliver a gentle vibration to nudge you onto your side without fully waking you. A meta-analysis of 17 studies covering 700 patients found these vibrating devices reduced breathing disruptions by about 43% overall and cut time spent sleeping on the back by 70%. People with moderate to severe apnea saw the biggest benefit, with a 46% reduction in apnea events per hour.
Getting Comfortable With CPAP
CPAP remains the most effective treatment for moderate to severe sleep apnea, but “effective” only matters if you actually wear it. The most common complaint is mask leaks, which cause air to blow into your eyes, dry out your skin, or simply make the therapy less effective. A few practical fixes can make a real difference.
First, your mask should feel secure without being tight. Over-tightening is one of the most common mistakes and actually worsens leaks by distorting the cushion’s seal against your face. If you’ve been using the same mask for a while, the cushion and headgear wear out. Replacing these components on the manufacturer’s recommended schedule often solves a leak problem that crept in gradually. Many CPAP machines track your leak rate in liters per minute, so check that data to see whether leaks are happening and whether your fixes are working.
If your mask style doesn’t suit your face shape or sleeping habits, switching types can help. Nasal pillow masks sit at the nostrils and work well for side sleepers because they have a low profile that won’t catch on the pillow. Full-face masks cover both nose and mouth and are better for people who breathe through their mouth at night. Fit packs that include multiple cushion sizes let you test the right size without buying several masks. Specialty CPAP pillows with cutouts around the mask area also reduce pressure on the seal when you’re sleeping on your side.
Nasal dryness and congestion are the other major comfort killers. Using your machine’s built-in heated humidifier, or adding one if your machine supports it, keeps the air moist enough to prevent that raw, dried-out feeling in your nose and throat. For stubborn congestion, a saline nasal spray before bed can help. Washing your face each night before putting the mask on removes oils and leftover skincare products that break down the cushion material and interfere with the seal.
Internal Nasal Dilators and Breathing Resistance
If nasal congestion or a naturally narrow nasal passage makes CPAP feel like you’re breathing through a straw, internal nasal dilators (small flexible clips or cones inserted into the nostrils) can reduce airflow resistance. In a study of 38 CPAP users, a nasal dilator lowered the required CPAP pressure modestly across the whole group. But among the 20 patients who needed higher pressures (above 9 cm of water), half experienced a clinically meaningful pressure reduction of at least 1 cm. Lower pressure generally means more comfort and less leak, which makes the mask easier to tolerate night after night.
Oral Appliances as an Alternative
For people who cannot tolerate CPAP, a custom-fitted oral appliance is a proven alternative. These devices, made by a dentist trained in sleep medicine, look like a mouthguard and work by holding your lower jaw slightly forward, which keeps the airway from collapsing. They’re most commonly recommended for mild apnea or primary snoring, but they’re also used for moderate to severe cases when someone has tried CPAP and simply can’t stick with it.
CPAP is still more effective at eliminating breathing pauses and maintaining blood oxygen levels. However, research comparing the two found that patient satisfaction and perceived effectiveness were actually higher with oral appliances. The reason is straightforward: a treatment that’s slightly less powerful but that you wear every night beats a more powerful treatment that stays in the drawer. If you’ve struggled with CPAP, asking your sleep specialist about an oral appliance is worth the conversation.
Lifestyle Changes That Affect Your Airway
Alcohol relaxes the muscles that hold your airway open, and drinking before bed measurably worsens apnea. A study published in the journal Sleep found that patients who consumed alcohol just before bedtime experienced a significant increase in both the number and severity of low-oxygen events compared to alcohol-free nights. The safest approach is to stop drinking several hours before you plan to sleep. Sedating medications, including some prescription sleep aids and antihistamines, can have a similar muscle-relaxing effect, so it’s worth reviewing what you take at night with your doctor.
Excess weight, particularly around the neck and throat, is the strongest modifiable risk factor for obstructive sleep apnea. Fat deposits around the upper airway narrow the space available for air. Losing even 10% of body weight can meaningfully reduce apnea severity for many people, and in mild cases, weight loss alone sometimes resolves it.
Throat and Tongue Exercises
Myofunctional therapy, a set of exercises that strengthen the tongue, throat, and facial muscles, has shown promise as a supplement to other treatments. The exercises typically involve repeatedly pressing the tongue against the roof of the mouth, practicing specific swallowing patterns, and doing exaggerated vowel sounds. A systematic review and network meta-analysis found that when daily training exceeded 30 minutes, these exercises significantly reduced the number of apnea events per hour. They won’t replace CPAP or an oral appliance for moderate to severe cases, but they can help as an add-on, especially for mild apnea or residual snoring.
Why Mouth Taping Is Risky
Mouth taping has gained popularity on social media as a way to force nasal breathing during sleep. For someone with sleep apnea, this is a genuinely dangerous idea. Taping your mouth shut forces all airflow through the nose, and if your nose is even partially blocked (from congestion, allergies, a deviated septum, or swollen tissue), you’re left with no backup route for air. Cleveland Clinic warns that this can lead to severe respiratory distress, significant drops in oxygen levels, and worsening of underlying health problems during sleep. Beyond the breathing risk, the tape itself can cause skin irritation, allergic reactions, and anxiety that makes falling asleep harder. There is currently no strong clinical evidence that mouth taping benefits any sleep disorder.
Putting It All Together
The most effective approach for most people combines a primary treatment (CPAP, an oral appliance, or in some cases surgery) with positional strategies and lifestyle changes. Start with whatever your sleep specialist has prescribed, then layer in side sleeping, alcohol avoidance, and weight management. If CPAP is your treatment, troubleshoot comfort issues early rather than giving up. Small adjustments to mask fit, humidity, and pillow setup are often the difference between someone who uses their machine four hours a night and someone who uses it all night, every night. Consistent use is where the real health benefits come from: better oxygen levels, less daytime fatigue, lower cardiovascular risk, and sleep that actually leaves you rested.