Sleep Studies

Type 1: In-Lab Sleep Studies, Type 2: Home Sleep Studies, Type 3: Non-Medicare funded Home Sleep Studies

The CPAP Clinic now provides all sleep studies in partnership with Centurion Healthcare, one of Australia’s largest providers of sleep study services.

Who is Centurion Healthcare?

Centurion Healthcare is a multidisciplinary specialist clinic group involved in the areas of Respiratory, Sleep Disorders, Cardiology and Psychology. They have a well-regarded physician team that includes Respiratory Heads of Departments at major public hospitals and former President and Secretary of the Thoracic Society of Australia and New Zealand. They are the largest provider of respiratory and sleep disorder services nationally, operating in NSW, VIC and QLD.

Bulk Billed Sleep In-Lab and Home Sleep Studies

Centurion Healthcare provides universal bulk billing for in-lab sleep studies (available in NSW only) and Type 2 home sleep studies (available in NSW, VIC and QLD) with minimal wait time. Medicare criteria apply.


Sleep Study Comparison Table

Sleep Study Type

What does it record?

What does it test for?





Independent Australian Physician Review

 Technician  required

Sleep at home

Wait Time


In-lab Sleep Study

(Type 1)

NSW only

Brainwaves, heartrate, breathing, oxygen, limb movement, position, video recording

Sleep apnoea, narcolepsy, parasomnias (e.g. sleepwalking), sleep-related seizure disorders

Bulk Billed*

Required to hook patient up and monitor patient for duration of sleep study


Overnight stay in a sleep laboratory

Usually 1-2 weeks

NSW only






Home-Based Sleep Study

(Type 2)

Brainwaves, heartrate, breathing, oxygen, limb movement, position

Sleep apnoea

Bulk Billed*

Required to hook patient up only

Patient hooked up in clinic but goes home to sleep

Usually within days





Portable Sleep Study

(Type 3)

Breathing, oxygen, position

Sleep apnoea






Patient can hook up at home

Patient can hook up at home

Usually within days




*Subject to the patient holding a valid Medicare card and satisfying the criteria set by Medicare


Do I need a referral from my Family Doctor?       

A referral from your General Practitioner or Specialist is required for Type 1 and 2 studies. You can download our referral form when you click on either the Type 1 or 2 study boxes below.

Type 3 studies do not require a referral and can be ordered directly, without seeing a doctor.

How do I know whether I have booked the appropriate sleep study for myself?

Once you have ordered a sleep study below, you will be contacted by one of our Consultant who will assess your Medicare eligibility (if required) and book a suitable date and time with you.

What if I don’t know which sleep study type to pick?

That’s ok. Our Consultants are here to help. Call us on 1300 76 29 39 and a Consultant will talk to you about your requirements, and help you determine which sleep study will suit you best.

Alternatively, your family doctor will be able to assist you also.

How independent and reliable are my sleep study results?

The CPAP Clinic facilitates sleep study bookings (Type 1, 2 and 3) on behalf of Centurion Healthcare. All sleep studies are reported by independent sleep specialists who are not affiliated with The CPAP Clinic.

Centurion Healthcare has a well-regarded physician team that includes Respiratory Heads of Departments at major public hospitals and former President and Secretary of the Thoracic Society of Australia and New Zealand.

Book a Sleep Study Today

Book a sleep study today by clicking your preferred sleep study type below.

A sleep study, or polysomnography, forms part of the process necessary for diagnosing, and finding a treatment, for acondition or sleep disorder like sleep apnoea. Traditionally, a sleep study was undertaken in a clinical environment like a dedicated sleep clinic where a patient experienced their normal sleep cycle under close monitoring for signs of sleep issues. Nowthere are 3 different types of sleep studies: In-Lab Sleep Studies, Home Sleep Studies and Non-Medicare Funded Sleep Studies. The cost of a sleep study conducted in Australia will depend on which state you live in with NSW residents able to claim universal bulk billing for In-Lab Sleep Studies and for a home sleep study, courtesy of Centurion Healthcare. Residents in Victoria and Queensland are also able to access a Medicare-funded home sleep study. Medicare criteria apply.

The types of things monitored during a sleep study include oxygen levels and how easily or regularly a patient is breathing, REM sleep cycles, heart rate, leg movements and how often a patient awakens throughout their various sleep stages.

Diagnostic sleep studies are conventionally undertaken by a sleep doctor or respiratory specialist who specialises in sleep medicine. They can be requested by doctors like a lung specialist or a cardiologist in response to known symptoms that a patient is experiencing, or they can be requested by a patient who is concerned that they may have a sleep disorder like Obstructive Sleep Apnoea(OSA) and wish to confirm a diagnosis. Often the first symptoms of an OSA that a patient becomes aware of are heavy and frequent snoring, waking up periodically throughout the night, and somebody telling them that they sound like they have a constricted airway while they sleep.

Other symptoms of OSA include:

  • Fatigue and sleepiness during the day
  • Difficulty concentrating or staying alert
  • Irritability and low moods, or frequent mood changes

What is a normal oxygen level during sleep?

While we sleep our oxygen levels naturally drop a little bit because we need less energy than whenwe are awake and breathing oxygen. Throughout their sleep cycle, a healthy person can expect to their oxygen levels to stay between 93-98%. Levels which fall below 88% are considered abnormal and concerning, indicating the possibility of respiratory issues like sleep apnoea (apnea).

Can a sleep study show heart problems?

Sleep is a vitally important function for the human body and any obstructive sleep can lead to arange of health issues, including cardiovascular problems. When we do not receive enough oxygen while we sleep, our heart must work harder to circulate oxygenated blood to our muscles. This additional workload can put strain and stress on the heart which can result in abnormal blood pressure, breathlessness and fatigue. A sleep study will show what happens when your body shouldbe experiencing healthy and restful sleep, and the results of your sleep study diagnosis may indicate signs of issues with your heart or provide answers to why those issues present as symptoms in otherareas of your life.

Other sleep disorders your sleep study may find include: Restless Leg Syndrome (RLS) or periodiclimb movement disorder, insomnia and narcolepsy.

If you have been diagnosed with sleep apnoea then fortunately the treatment for this condition is readily available. There are some lifestyle changes that you can make which will help to alleviate some of your symptoms and there are medical devices available to assist you with your sleep and help you achieve normal and productive nightly rest.

Continuous Positive Airway Pressure (CPAP) is a form of therapy developed especially for the treatment of OSA. CPAP equipment consists of a specially designed medical device which delivers specific air pressure continuously through a facial mask worn by a sleep apnoea sufferer while they sleep.

As a condition, sleep apnoea is characterised by the periodic closure of a sleeper’s airway. This closure causes a cessation in normal breathing which alerts the sleeper’s brain and attempts to waken the body to rectify the problem. Through the process of awakening, normal muscle movement returns to the body, including the throat and airway, and the airway reopens for the sleeper to finally intake an overdue breath.

Often sleepers are entirely unaware that they have partially awoken during this process and so the fatigue and grogginess they feel the following day is often attributed to other environmental factors, rather than the possibility that they may be suffering from an obstructed airway while they were asleep. The sounds of a person with sleep apnoea includes heavy or frequent snoring and usually a sleeper’s partner will be the first to alert a sleeper of a potential problem with their normal sleep cycle. A sleep study is designed to ensure that sleep apnoea is formally diagnosed so that a treatment plan and management program can be established.

The role of the CPAP machine is to deliver consistent air pressure through a sleeper’s airway while they are asleep to ensure that the airway does not involuntarily collapse and cause a cessation in normal breathing patterns. It does this through a mask that is worn by the sleeper every night. Getting used to sleeping with a CPAP machine can be difficult at the start which is why the CPAP Clinic specialise in providing expert and independent advice to people in need of CPAP therapy. We work with you to find the right machine, the right pressure and the right mask to deliver you restful and productive sleep for a fitter, healthier and happier you.

Type 3: Portable Sleep Study

Showing 1 — 3 of 3