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Do you suffocate while sleeping? What you need to know about CPAP machines

MBBS

Medically reviewed by MBBS — Updated on Jul 14, 2026 · 7 min read

Do you suffocate while sleeping? What you need to know about CPAP machines
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Do you snore a lot at night? Do your family members say that you sometimes stop breathing for a while while you are asleep? Do you feel tired when you wake up in the morning and sleepy all day? These are not just things. This condition is medically called 'Sleep Apnea'. One of the most effective and main treatments for this is the CPAP machine. Many people have heard about this, but do not know exactly what it is. So, let's talk about it simply and clearly today.

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What exactly is a CPAP machine?

Simply put, CPAP is an acronym for 'Continuous Positive Airway Pressure'. It helps keep your airway open while you sleep. This machine uses pressurized air that comes through a tube.

There are several main parts to this machine:

  • A mask that covers your nose or both your nose and mouth.
  • Those are the straps used to keep the mask on your face.
  • A tube that connects the mask and the machine's motor.
  • This is a motor that blows air into the tube.
  • An air filter that cleans the air that enters your nose or mouth.

Some modern CPAP machines also have features such as heated humidifiers and pressure-adjustable features.

Why use this CPAP machine?

This machine is mainly used to treat a condition called Obstructive Sleep Apnea (OSA) . When a person with this condition is sleeping, the tissues in their throat relax, narrowing or completely blocking their airway, causing them to stop breathing for a moment. This can happen hundreds of times a night.

Imagine, stopping breathing frequently throughout the night means less oxygen is getting to the brain and other organs in the body. If this continues without treatment, it can lead to serious health problems.

For example:

Not only that, but excessive daytime sleepiness also increases the risk of accidents while driving. When using a CPAP machine, it keeps the airway open, preventing breathing from stopping.

Are there different types of CPAP machines?

Yes, there is only one type of CPAP. These are commonly called PAP (Positive Airway Pressure) machines. Let's look at the main types.

Machine type Functionality is simple
CPAP (Standard) The air is delivered throughout the night at the same constant pressure prescribed by the doctor.
Auto CPAP This is an automatic machine that keeps your airway open by increasing or decreasing the pressure needed based on your breathing pattern.
Bi-level PAP (BiPAP) There are two levels of pressure here. Higher pressure is applied during inhalation and lower pressure is applied during exhalation.
Adaptive Servo-Ventilation (ASV) This is a more complex machine. It is used for some specific conditions, such as 'Central Sleep Apnea.' It monitors breathing and adjusts the pressure to stabilize it.

How do I choose the right mask for me?

Choosing a mask that is comfortable and fits you well is very important for the success of CPAP treatment. There are several types of masks. You should choose the one that is best for you based on your breathing style, comfort level, and the type of sleep apnea you have.

Mask type Who is best suited for?
Nasal Mask This only covers the nose. This is suitable for those who toss and turn in their sleep.
Nasal Pillow Mask They don't cover the entire nose, but only the nostril area. Some of them have small parts that go into the nostrils. Very convenient for people who wear glasses.
Full Mask This triangular-shaped mask covers both the nose and mouth. It is best for those who breathe through their mouths while sleeping and those who have a stuffy nose.
Hybrid Mask This consists of cushions or small parts that cover the mouth while providing air to the nostrils without going over the bridge of the nose.

Your doctor will explain the types of masks that are right for you. If you don't get used to one at first, don't be afraid to try a different type.

Benefits and potential complications of using CPAP

Short-term benefits

  • Improved sleep quality and a feeling of being well-rested .
  • Snoring decreases or disappears completely.
  • Elimination of excessive daytime sleepiness (hypersomnia).
  • Improving mood.

Long-term benefits

  • Blood pressure control.
  • Reduced risk of cardiovascular diseases such as heart attack and stroke.
  • Improved memory and cognitive function.

Possible complications and side effects

In fact, it can be a little difficult to get used to it in the first few days. It's normal to feel claustrophobic, uncomfortable, and maybe even a little embarrassed when you put on the mask.

Also, cold, dry air can cause stuffy noses, runny noses , dry mouth, or nosebleeds. Many of these problems can be solved with a Heated Humidifier.Solutions can be found by connecting one.

If the mask causes redness or itching, it may be the wrong size or type of mask for you. In any of these cases, it is important to talk to your doctor .

Are there alternatives to the CPAP machine?

Yes. Although CPAP is the most common and effective treatment, there are other options.

  • Oral Appliance Therapy: A device made to fit your teeth by a specialist dentist. This holds the jaw in place and opens the airway.
  • Positional Therapy: Sleep apnea is more common in people who sleep on their backs. There are special devices that help people sleep on their sides.
  • Weight Management: Obesity is a major cause of this condition. This condition can be controlled by reducing body weight.
  • Surgery: In some cases, surgery may be necessary, such as removing soft tissue in the throat or repositioning the jaw.

Depending on your condition, your doctor may recommend using one or more of these treatments together.

💡 Take-Home Message

  • The CPAP machine is a very effective treatment for Obstructive Sleep Apnea.
  • To get the most out of this treatment, it is essential to wear it every time you sleep (both at night and during naps).
  • It may seem difficult to get into the habit of doing this at first, but be persistent. Over time, this will become a habit.
  • Choosing the type of mask that is most comfortable and suitable for you is crucial to the success of the treatment.
  • If you experience any problems, discomfort, or side effects with the machine or mask, talk to your doctor immediately.
  • Keeping your mask and tubing clean daily is essential to prevent infections.
❓ FAQ

FAQ

Evidence-based clinical answers to common patient questions

Are there different types of CPAP machines?

Yes, there is only one type of CPAP. These are commonly called PAP (Positive Airway Pressure) machines. Let's look at the main types.

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⚠️ Important: Medical articles and information on Nirogi Lanka are strictly for educational and awareness purposes and do not substitute professional medical advice, diagnosis, or treatment. Always consult a qualified physician for any medical concerns.