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Auto-CPAP(APAP) FAQ

Everything you need to know about Auto-CPAP machines

What is an APAP machine?

An APAP (Automatic Positive Airway Pressure) machine adjusts air pressure throughout the night based on your breathing needs. It helps keep your airway open to treat obstructive sleep apnea without requiring manual pressure settings.

How is APAP different from CPAP or BiPAP?

CPAP stands for Continuous Positive Airway Pressure. It delivers a single, fixed pressure all night long. While effective, some users find it uncomfortable—especially if their pressure needs vary during sleep.


APAP, or Automatic Positive Airway Pressure, adjusts the pressure automatically based on your breathing patterns. It increases or decreases airflow as needed, offering more comfort and flexibility. This makes APAP ideal for most people with obstructive sleep apnea, especially those whose needs change due to sleep position, congestion, or other factors.


BiPAP, or Bilevel Positive Airway Pressure, is a bit different. It provides two distinct pressure levels—one for inhaling and a lower one for exhaling. BiPAP is typically prescribed for people with more complex sleep disorders, like central sleep apnea or COPD, or those who need higher pressures and find CPAP or APAP difficult to tolerate.


In short:

CPAP = fixed pressure

APAP = auto-adjusting pressure

BiPAP = two pressures (inhale/exhale), for more complex needs

Who should use an APAP machine?

APAP is ideal for people with obstructive sleep apnea, especially those whose pressure needs change due to:

  • Sleep position
  • Nasal congestion
  • Alcohol use
  • Weight fluctuations
  • It’s also great for users who find fixed pressure uncomfortable.

How do I know if APAP is working for me?

Signs of effective therapy include:

  • Waking up feeling rested
  • Improved mood and well being
  • Better memory and focus
  • Fewer nighttime awakenings
  • Enhanced physical performance
  • Lower blood pressure
  • Happy partner
  • Your machine’s data report can also confirm reduced apnea events.

Is APAP suitable for central sleep apnea?

No. APAP is designed for obstructive sleep apnea. It’s not recommended for central sleep apnea, which involves disrupted brain signals rather than airway blockage.

How do I clean my APAP machine?

  • Daily: Wipe the mask and rinse the tubing with warm water.
  • Weekly: Wash the humidifier chamber and tubing with mild soap.
  • Monthly: Replace filters and inspect parts for wear.

Can I track my sleep data with an APAP machine?

Yes! Our APAP machines include built-in data tracking and Bluetooth connectivity. You can monitor your usage, pressure changes, and apnea events through a mobile app or SD card.

Can I travel with my APAP machine?

Absolutely. APAP machines are TSA-approved and travel-friendly. Many models are compact and include travel cases. Just bring a universal power adapter if traveling internationally.

Are APAP machines noisy?

No. Modern APAP machines are designed to be quiet, often producing less than 28 decibels—quieter than a whisper.

Do travel APAP machines work as well as full-size ones?

Absolutely. Travel APAP machines use the same auto-adjusting algorithms and pressure sensors as standard models. The main differences are size, weight, and sometimes fewer comfort features (like heated humidifiers).

What should I pack when traveling with my APAP?

  • APAP machine + mask
  • Power cord + adapter (if international)
  • Optional battery pack
  • Travel case
    Tip: Always carry your machine as a carry-on. It’s a medical device and TSA allows it through security.

Can I use my APAP machine without a humidifier?

Yes. While humidifiers add comfort by reducing dryness, APAP machines can operate without them. Travel models often use heatless moisture exchange systems or offer optional humidification.

How often should I replace filters and tubing?

  • Disposable filters: Every 30 days or sooner if dirty
  • Reusable filters: Every 6 months
  • Tubing: Every 3 months
  • Humidifier chamber: Every 6 months

- Regular replacement ensures clean airflow and optimal performance.