How long does it take to get used to a CPAP machine?

Most people adjust over a few weeks. It is normal for the first nights to feel strange, and many people benefit from wearing the mask for short periods while awake to get comfortable before using it all night. Using the ramp feature, which starts at low pressure and builds gradually, and addressing fit issues early make the adjustment much easier.

What should I do if my CPAP mask leaks or feels uncomfortable?

Mask leaks and discomfort are usually a fit problem, not a sign the therapy is wrong for you. Re-fitting the mask, trying a different size or style, and adjusting the headgear so it is snug but not overtightened resolve most issues. If problems persist, your equipment provider or sleep clinic can help you try alternative masks — comfort is essential because consistent use is what makes CPAP work.

Do I have to use my CPAP every night?

Yes — CPAP only works while you are wearing it, and its benefits do not carry over to nights you skip. Using it every night, including naps, for the whole time you sleep gives the most consistent symptom relief and cardiovascular protection. Nightly use also helps you adapt faster, because the airway and your comfort both improve with regular use.

How do I clean and maintain my CPAP equipment?

Follow the schedule in your machine's instructions: typically the mask and cushion are wiped daily, the tubing and humidifier chamber are washed regularly with mild soap and water, and filters are replaced on the manufacturer's timeline. Use distilled water in the humidifier to prevent mineral buildup. Regular cleaning prevents irritation and keeps the equipment working properly.

CPAP Setup Guide: Getting Started With Your New Machine

What Is CPAP Therapy?

CPAP stands for Continuous Positive Airway Pressure. It is the most common and effective treatment for obstructive sleep apnea (OSA). A CPAP machine delivers a steady stream of pressurized air through a mask while you sleep, keeping your airway open and preventing the pauses in breathing that characterize sleep apnea.

If your doctor has prescribed CPAP therapy, this guide will walk you through everything you need to know to get started.

What's in the Box

A standard CPAP setup includes:

CPAP machine (the main unit with motor and controls)
Humidifier chamber (often built into the machine)
Tubing (typically 6 feet of flexible hose)
Mask (nasal, nasal pillow, or full-face — your doctor or equipment provider will help you choose)
Headgear and straps (to hold the mask in place)
Power cord
Filters (disposable and/or reusable)
SD card or wireless connectivity (for tracking your usage data)

Step-by-Step Setup

1. Choose Your Location

Place the CPAP machine on a flat, stable surface near your bed — a nightstand or bedside table works well. Make sure it is:

At or below the level of your head (to prevent water from flowing back through the tubing)
Close enough that the tubing reaches comfortably without pulling
Near a power outlet
Away from curtains or anything that could block air intake

2. Fill the Humidifier

Most modern CPAP machines include an integrated heated humidifier. Using it reduces dryness, congestion, and irritation.

Remove the humidifier chamber from the machine
Fill it with distilled water to the indicated fill line (never above it)
Reinsert the chamber firmly until it clicks into place
Never use tap water, as minerals can build up and damage the machine

3. Connect the Tubing

Attach one end of the tubing to the air outlet on the CPAP machine
Attach the other end to your mask
Make sure both connections are secure but not forced

4. Fit Your Mask

Mask fit is the single most important factor for CPAP comfort and effectiveness. A poorly fitting mask causes leaks, discomfort, and frustration.

For nasal masks and nasal pillows:

Position the mask with the machine running at your prescribed pressure
Adjust the headgear straps until the mask seals without feeling tight
You should be able to fit one or two fingers between the straps and your face
Lie down and check the seal — the fit may change when you shift positions

For full-face masks:

Place the mask over your nose and mouth before attaching the headgear
Tighten straps gradually, starting from the top
Check for leaks around the bridge of the nose and the chin

5. Adjust Machine Settings

Your sleep provider will typically pre-program your prescribed pressure setting. Most machines also allow you to adjust:

Ramp time: Starts at a lower pressure and gradually increases to your full setting over 15-45 minutes, making it easier to fall asleep
Humidifier level: Start at a medium setting and adjust based on comfort
Heated tubing temperature: If your machine has a heated tube, this prevents condensation (called "rainout")

6. Your First Night

Put on the mask while sitting up and breathing normally
Turn on the machine and breathe naturally through your nose
Lie down and adjust the mask if needed
Try to relax — it is completely normal for the first few nights to feel unusual
If the mask feels uncomfortable, try small strap adjustments rather than major changes

Common Challenges and Solutions

Air Leaks

Small leaks are normal. Large leaks reduce therapy effectiveness. Causes include:

Mask too loose or too tight (overtightening actually worsens leaks)
Wrong mask size
Sleeping with your mouth open (consider a chin strap or full-face mask)

Dry Mouth or Nose

Increase your humidifier setting
Use a heated tube if available
Consider a full-face mask if you breathe through your mouth

Feeling Claustrophobic

Practice wearing the mask while awake, watching TV or reading
Use the ramp feature to start with lower pressure
Try a nasal pillow mask, which covers less of your face

Noise

Modern CPAP machines are very quiet (typically under 30 decibels)
Check for air leaks, which are the most common source of noise
Make sure the machine is on a stable surface

Cleaning and Maintenance

Daily:

Wash the mask cushion with warm water and mild soap
Empty and rinse the humidifier chamber
Wipe down the mask and let it air dry

Weekly:

Wash the headgear and tubing in warm, soapy water
Rinse thoroughly and hang to dry
Inspect the mask cushion for wear or deterioration

Monthly:

Replace disposable filters (most machines use 2 per month)
Clean reusable filters with warm water — replace every 6 months
Replace mask cushion or nasal pillows
Check tubing for cracks or holes

Every 3 months:

Replace tubing (standard and heated)
Replace full mask frame
Inspect humidifier chamber — replace every 6 months or sooner if showing mineral deposits

Tracking Your Progress

Most modern CPAP machines record usage data including:

Hours of use per night
Mask leak rates
AHI (Apnea-Hypopnea Index) — the number of breathing events per hour, the same measure reported in your sleep study
Pressure data

Many machines connect to companion apps that let you view this data on your phone. Your sleep provider also uses this data to monitor your therapy.

What to aim for:

Use your CPAP for at least 4 hours per night (insurance compliance requirement)
Ideally, use it for the entire time you sleep
AHI below 5 events per hour indicates well-controlled sleep apnea

When to Contact Your Provider

Reach out to your sleep care team if:

Your mask consistently leaks despite proper fitting
You are removing the mask during the night without realizing it
You experience persistent dry mouth, nasal congestion, or skin irritation
Your AHI remains elevated despite consistent use
You feel the pressure is too high or too low

Free Downloadable Guide

Want a printable reference? Download our free CPAP Supplies: Replacement Schedule & Cleaning Guide — an 8-page PDF with daily/weekly/monthly checklists, a full replacement schedule table, and troubleshooting tips. Download the PDF.

Key Takeaways

Place the machine at or below head level on a stable surface near your bed
Use distilled water in the humidifier
Mask fit matters more than anything — don't overtighten
The ramp feature can make falling asleep easier
Clean your equipment regularly to maintain comfort and hygiene
Track your data and share it with your provider
Give yourself at least 2-4 weeks to adjust — it gets easier