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September 24, 2025

An Introduction to PAP Therapy

Pankaj Singh
7 min.

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A man sleeping peacefully in bed using a PAP (Positive Airway Pressure) therapy machine with a nasal mask. A glowing blue light visually represents the open airway, and 'Zzz' symbols with ripples indicate quiet, restful sleep thanks to the device.

An Introduction to PAP Therapy (Positive Airway Pressure)

If you’ve been recently diagnosed with sleep apnea, your doctor might have recommended something called PAP therapy. It’s one of the most effective and widely used treatments for sleep-related breathing disorders.

In this blog, we’ll break down what PAP therapy is, how it works, the types of PAP devices available, and why it’s considered the gold standard treatment for obstructive sleep apnea (OSA).

What is PAP Therapy?

PAP stands for Positive Airway Pressure.

It is a treatment method that uses a machine to deliver pressurized air through a mask while you sleep. This continuous stream of air keeps your airway open, preventing it from collapsing during sleep — the main cause of obstructive sleep apnea events.

PAP therapy is a non-invasive, painless, and highly effective solution that improves sleep quality, oxygen levels, and overall health in people with sleep apnea.

How PAP Therapy Works

When you fall asleep, especially during deep or REM stages, your throat muscles can relax and cause your airway to narrow or close. This leads to pauses in breathing (apneas) or shallow breathing (hypopneas).

A PAP device gently blows air at a set or variable pressure into your airway, acting like an air splint to hold the airway open. This:

  • Prevents pauses in breathing

  • Improves oxygen delivery to your body

  • Reduces snoring and nighttime awakenings

  • Helps restore normal sleep cycles

Types of PAP Therapy Devices

There are three main types of PAP machines used for treating sleep apnea:

1. CPAP (Continuous Positive Airway Pressure)

  • Delivers one constant pressure level all night

  • Most commonly prescribed for obstructive sleep apnea

  • Effective but may feel uncomfortable to exhale against

2. APAP (Auto-adjusting Positive Airway Pressure)

  • Adjusts the pressure automatically based on your breathing patterns

  • Provides more comfort by giving only the pressure you need at any moment

  • Ideal for patients with variable pressure needs

3. BiPAP (Bilevel Positive Airway Pressure)

  • Provides two pressure levels: higher for inhalation (IPAP) and lower for exhalation (EPAP)

  • Used for people who struggle to exhale against constant pressure

  • Often prescribed for complex or severe sleep apnea and other respiratory disorders

Benefits of PAP Therapy

Using PAP therapy consistently can lead to dramatic health improvements, including:

  • Better quality of sleep

  • Reduced daytime fatigue and brain fog

  • Lower blood pressure

  • Decreased risk of heart disease and stroke

  • Improved mood and mental health

  • Better blood sugar control in diabetics

Common Concerns About PAP Therapy

It’s normal to feel unsure about using a PAP machine at first. Some common concerns and solutions are:

Concern

Solution

Discomfort wearing the mask

Try different mask sizes or styles

Dryness or congestion

Use a built-in humidifier

Feeling claustrophobic

Practice wearing the mask during the day

Noise from the machine

Modern PAP machines are nearly silent

With proper mask fitting and gradual adaptation, most people get used to PAP therapy within a few weeks.

Conclusion

PAP therapy is the most reliable and proven treatment for obstructive sleep apnea. By preventing breathing interruptions during sleep, it improves your sleep quality, health, and daily life.

If you suspect you have sleep apnea or have been advised to start PAP therapy, talk to your doctor or a sleep specialist to find the right PAP device and pressure settings for you.

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