How next-gen tech is making sleep diagnostics smarter, faster, and more comfortable

In the evolving world of sleep medicine, technology is reshaping how we understand and diagnose sleep-disordered breathing (SDB). Traditionally, the gold standard for diagnosing sleep issues has been in-lab polysomnography (PSG), offering comprehensive physiological data but is often limited by cost, waitlists, and patient inconvenience.

Recent advances are now challenging that model. A 2024 review published by the Thoracic Society of Australia and New Zealand (TSANZ) highlights how new diagnostic pathways, especially in-home sleep testing technologies have grown almost match in hospital-based studies and, in some ways surpassing them.

One standout in this space is the Nox SAS system, which we proudly use at BEDPOST Sleep Collective. While the Nox SAS may look different from a traditional in-lab setup, the core technology is exactly the same. It’s built on the same platform we have used in many hospital-based PSG systems across Australia. What sets the SAS configuration apart is its design for flexibility, allowing for detailed and reliable data capture in the comfort of your own home.

The TSANZ article notes that advances in wearable tech, automated scoring, and high-fidelity signal processing are unlocking better patient experiences without compromising diagnostic accuracy. This aligns perfectly with what we’ve found using the Nox SAS. We’re able to deliver hospital-grade clinical data, both Dx and Tx, with less intrusion and faster turnaround.

Importantly, these shifts aren’t about cutting corners. They're about cutting wait times and ensuring people get access to meaningful assessment and treatment sooner. The report calls for future sleep diagnostics to be “fit for purpose,” matching the right tool to the right person, and that’s what we do every night at BEDPOST Sleep Collective.

As sleep science moves forward, we believe patients deserve care that’s both precise and personalised.

Better sleep starts with better assessment, and the future is already here.

Reference: Chai-Coetzer, C. L., et al. (2024). Diagnostic modalities in sleep-disordered breathing: Current and emerging technology and its potential to transform diagnostics. Position Statement of the Thoracic Society of Australia and New Zealand. TSANZ (PDF).

Sleeping Smarter: How a Simple Device is Changing Sleep Apnoea Treatment

At BEDPOST Sleep Collective, we’re always on the lookout for evidence-based tools that help people sleep better without adding complexity to their lives. One of the therapies we've been using with great results in clinical practice is a clever little device called the Night Shift LE Sleep Position Trainer.

Why Position Matters

You might be surprised to learn that for many people with obstructive sleep apnea (OSA), the position you sleep in can significantly affect how often your airway collapses at night. This is known as positional obstructive sleep apnea (POSA). For these individuals, simply avoiding their back while sleeping can reduce symptoms dramatically.

BEDPOST Sleep Collective is currently running trials with this therapy.

What the Research Says

A 2018 study by Heinzer et al., published in Thorax, tested the effectiveness of this positional therapy device in a group of patients with POSA. While the device is an older model: The NightBalance Sleep Position Trainer is similar to what we use at BOEDPOST Sleep Collective. It is a lightweight device worn across the chest that gently vibrates when it senses you're on your back. This prompt encourages side sleeping, without waking you up.

The results were impressive. After 3 months of use:

• The apnoea-hypopnea index (AHI): the number of times a person stops or nearly stops breathing per hour was significantly reduced compared to baseline and similar to results from CPAP therapy.

• People found the device easy to use and well-tolerated, with fewer dropouts than what’s commonly seen with CPAP.

• Perhaps most importantly, sleep quality and daytime functioning improved, which is what our clients notice the most.

The study concluded that positional therapy with this device is not only effective, but a viable first-line therapy for patients with POSA, especially those who can’t tolerate CPAP.

Reference: Heinzer, R., et al. (2018). Efficacy of a novel positional therapy device for obstructive sleep apnoea: a randomised controlled trial. Thorax, 73(2), 115–122. <https://doi.org/10.1136/thoraxjnl-2017-210111>

How We’re Using It at Bedpost

We've incorporated a newer, more advanced model device into our clinical practice (NightShift LE Sleep Positioner). The clients trialling this device have given us overwhelmingly positive feedback so far.

This is a managed process with us. We collect data from the device during our trials to show your Doctor how well the therapy is working for you.

Sleep Apnoea Hits Women Harder Than You Think. Even When It's "Mild".

When people think of obstructive sleep apnoea (OSA), the stereotypical image is usually a middle-aged man snoring loudly. But sleep apnoea isn’t just a “man’s disease.” In fact, growing research shows that women may experience worse outcomes from milder forms of OSA, and the condition often goes undiagnosed or misdiagnosed in women.

At Bedpost Sleep Collective, we’re on a mission to change that narrative.

Sleep Apnoea in Women: The Hidden Struggle.

OSA is a condition where the airway repeatedly collapses during sleep, leading to disrupted breathing, poor-quality sleep, and dangerous drops in oxygen levels. It's well-documented that men are more likely to be diagnosed with OSA, but that doesn’t mean women aren’t affected. They are, just differently.

While men tend to experience loud snoring and noticeable pauses in breathing, women often present with fatigue, insomnia, depression, or morning headaches instead​. These subtler symptoms mean that women are frequently underdiagnosed, or misdiagnosed with something like anxiety or chronic fatigue.

Less Severe Apnoea, But Bigger Problems?

Here’s where it gets even more surprising: women can suffer more serious health consequences from “mild” sleep apnoea than men do from more severe cases. Studies show that even with a lower Apnoea-Hypopnea Index (AHI) (the number used to measure OSA severity) women can experience higher rates of depression, insomnia, and cardiovascular issues​.

The classic AHI score was designed around male patterns of apnoea. It often misses the fragmented sleep and oxygen dips that affect women, especially during REM sleep, where OSA events in women tend to cluster​.

Hormones and Airway Anatomy: What Makes Women Different?

It turns out anatomy and hormones play a big role in this gender gap. Before menopause, women benefit from hormones like estrogen and progesterone that help maintain upper airway tone and boost breathing drive during sleep​​.

But after menopause, OSA risk in women spikes and symptoms shift. Postmenopausal women often develop more non-REM-related apnoeas and longer airway lengths, which increases airway collapsibility​​.

In fact, women are about three and a half times more likely to develop OSA post-menopause compared to their premenopausal years​.

Anatomy Matters.

Men and women also differ in airway structure. Men tend to have longer and more collapsible airways, more soft tissue around the neck, and a greater predisposition to fat deposition in the throat contributing to the more “classic” OSA symptoms​​.

But women’s shorter airways and differences in fat distribution mean that their apnoeas might not last as long or cause dramatic oxygen drops — but they still disrupt sleep architecture and impact brain and cardiovascular health in serious ways​.

Why It Matters, And What You Can Do.

Because of these differences, OSA in women often goes under or unrecognised, and untreated sleep apnoea has been linked to increased risks of hypertension, stroke, type 2 diabetes, depression, and memory problems.

That’s why it’s so important that we recognise the unique ways sleep apnoea presents in women, especially as they age or enter menopause. Diagnosis shouldn’t rely on a one-size-fits-all approach and treatment options should be flexible too, from CPAP to positional therapy, oral appliances, or lifestyle changes.

Sleep Is Not a Luxury. It's Medicine.

If you’re a woman who wakes up tired despite a full night's sleep, struggles with mood swings or brain fog, or feels like your sleep is just not restorative don’t ignore it.

You deserve to breathe, sleep, and live well.

Want to chat about your sleep or explore testing options? Reach out to us at www.bedpostsc.com.au — we’re here to help you sleep better, no matter what your AHI says.

References

1. Redline S, Strohl KP. Recognition and consequences of obstructive sleep apnea hypopnea syndrome. Clin Chest Med. 1998;19(1):1–19.

2. Lin CM, Davidson TM, Ancoli-Israel S. Gender differences in obstructive sleep apnea and treatment implications. Sleep Med Rev. 2008;12(6):481–496.

3. Subramanian S, et al. Influence of gender and anthropometric measures on severity of obstructive sleep apnea. Sleep Breath. 2012;16:1091–1095.

4. Whittle AT, et al. Neck soft tissue and fat distribution: comparison between normal men and women by MRI. Thorax. 1999;54:323–328.

5. Malhotra A, et al. The male predisposition to pharyngeal collapse: importance of airway length. Am J Respir Crit Care Med. 2002;166:1388–1395.

6. Mokhlesi B, et al. Sex differences in the health burden of sleep apnea. Chest. 2024.

7. Scarlata S, et al. Obstructive sleep apnea in women: a call to recognize sex-specific presentation. Sleep Med Clin. 2023.

As we age, our bodies undergo various changes, and one area that often gets overlooked is sleep health.

The Growing Prevalence of OSA in Older Adults

OSA affects individuals across all age groups, but its prevalence notably increases with age. Studies indicate that up to 56% of people aged 65 and older may have OSA, yet many remain undiagnosed. This underdiagnosis is often due to atypical symptom presentation in older adults, such as fatigue or cognitive decline, rather than the classic signs like loud snoring or observed apnoeas.​

Several factors contribute to the increased risk of OSA with aging:​

• Muscle Tone Reduction: Aging leads to decreased muscle tone in the upper airway, making it more susceptible to collapse during sleep.​

• Fat Accumulation: There is a tendency for fat to accumulate around the neck and tongue with age, which can obstruct the airway.​

• Changes in Sleep Architecture: Older adults often experience alterations in sleep stages, which can exacerbate breathing irregularities.​

Cognitive Implications of OSA in the Elderly

Beyond disrupted sleep, OSA has been linked to cognitive decline in older adults. Research indicates that individuals with OSA are at a higher risk of developing dementia and other cognitive impairments. One study found that by age 80, women with OSA had a 4.7% higher incidence of dementia compared to a 2.5% increase in men.​

The repeated drops in oxygen levels during apnoeic events can lead to:​

• Brain Tissue Damage: Chronic oxygen deprivation may harm brain structures involved in memory and cognition.​

• Accelerated Brain Aging: OSA has been associated with patterns of brain aging, potentially leading to earlier onset of cognitive decline.​

Challenges in Diagnosis and Treatment

Diagnosing OSA in older adults presents unique challenges:​

• Atypical Symptoms: Older individuals may not report classic symptoms like loud snoring or daytime sleepiness, leading to missed diagnoses.​

• Comorbidities: The presence of other health conditions can mask or complicate the identification of OSA.​

Proactive Steps for Better Sleep Health

Given the significant impact of OSA on health, especially in older adults, it's essential to take proactive measures:​

• Regular Screening: Older adults should undergo routine screenings.​

• Lifestyle Modifications: Maintaining a healthy weight, engaging in regular physical activity, and avoiding alcohol and sedatives can reduce OSA severity.​

• Alternative Therapies: For those who struggle with CPAP, options like oral appliances or positional therapy may be beneficial.​

Conclusion

Aging brings about many changes, but sleep quality shouldn't be compromised. Recognising the increased risk of OSA in older adults and addressing it promptly can lead to better health outcomes and an improved quality of life. If you or a loved one are experiencing symptoms of OSA, consult with a healthcare professional to explore diagnostic and treatment options.​

For more information or to schedule a sleep assessment, visit www.bedpostsc.com.au.

References

1. Rizzo D, et al. "Prevalence and regional distribution of obstructive sleep apnea in Canada: Analysis from the Canadian Longitudinal Study on Aging." Canadian Journal of Public Health, 2024. Link​SpringerLink

2. Martinez Villar G, et al. "Altered resting-state functional connectivity patterns in late middle-aged and older adults with obstructive sleep apnea." Frontiers in Neurology, 2023. Link​Frontiers

3. Dunietz GL, et al. "Obstructive sleep apnea in older adults: geographic disparities in PAP treatment and adherence." Journal of Clinical Sleep Medicine, 2021. Link​JCSM+1OUP Academic+1

4. Yaffe K, et al. "Obstructive Sleep Apnea and the Risk of Cognitive Decline in Older Adults." American Journal of Respiratory and Critical Care Medicine, 2011. Link​ATS Journals

5. Nye J. "Obstructive Sleep Apnea Contributes to Dementia Risk Among Older Adults." Psychiatry Advisor, 2025. Link​Psychiatry Advisor

Obstructive Sleep Apnoea (OSA) affects millions of people globally, but did you know your ethnicity could change how severely it affects you?

From jaw structure to access to healthcare, different ethnic backgrounds come with different risks, presentations, and treatment outcomes. And understanding these differences is critical to catching the condition early and managing it effectively.

Polynesian and Pacific Islander Populations

Polynesian people, including Māori, Samoan, Tongan, and Fijian communities have among the highest recorded rates of OSA globally, with studies reporting prevalence up to 60% in some groups.

This risk isn’t just due to high rates of obesity. It’s also linked to:

• Genetic predisposition to central fat distribution

• Larger neck circumference

• Craniofacial structure that narrows the upper airway

However, despite the high burden, these communities are often underdiagnosed and undertreated, especially in Australia and New Zealand.

South Asian / Indian Subcontinent Populations

People from India, Pakistan, Bangladesh, Sri Lanka, and Nepal are also at high risk for OSA, even at normal or low body weight.

This is largely due to:

• Shorter jaw length

• Retrognathia (set-back jaw)

• Narrower airways and high tongue volume

• Abdominal (central) obesity rather than general obesity

One study found that Indian men with OSA had greater craniofacial abnormalities than White counterparts, despite being less obese. Another showed high rates of undiagnosed OSA in urban India, where fatigue and hypertension are common but rarely connected to sleep apnoea.

African Populations

African are diagnosed with OSA at younger ages and often have more severe disease with longer apnoeas and lower oxygen levels during sleep. Yet, diagnosis rates remain disproportionately low, even when symptoms are obvious.

Latino Populations

OSA affects 25–40% of Latino adults, with higher rates in Puerto Rican and Central American groups. Barriers like limited access to specialists and underinsurance contribute to low diagnosis and CPAP adherence.

East Asian Populations

Despite generally lower BMIs, East Asian populations (particularly Chinese, Korean, and Japanese individuals) often have greater risk of OSA compared to Western populations. This is because of craniofacial anatomy, including:

• Smaller jaws

• Narrower nasal passages

• Higher tongue volume

This makes airway collapse more likely even in lean individuals.

Why This Matters

When OSA is missed or ignored, the results can be serious:

• Heart disease

• Stroke

• Type 2 diabetes

• Memory loss and dementia

• Increased accident risk due to daytime sleepiness

Ethnic disparities in OSA mean that millions of people worldwide are suffering unnecessarily, simply because their symptoms don’t match the “typical” OSA profile or because they lack access to testing and care.

Obstructive Sleep Apnoea isn’t one-size-fits-all. Your background might increase your risk and it might change how your symptoms appear.

If you're constantly tired, snore, or struggle with memory or blood pressure issues, don’t write it off. Get checked no matter your ethnicity or body type.

You deserve great sleep. And we’re here to help you get it.

Need help? Visit www.bedpostsc.com.au to learn more about sleep testing, treatment options, and how we support diverse communities with culturally aware care.

References

1. Kohler M, et al. “OSA in the Polynesian Population.” Sleep Medicine, 2014;15(2):219–225.

2. Tupou S, et al. “High prevalence of undiagnosed OSA among Pacific people.” NZ Med J. 2020;133(1518):45–55.

3. Milne RJ, et al. “Ethnic disparities in OSA diagnosis and treatment in New Zealand.” Sleep Health. 2018;4(3):261–267.

4. Sharma SK, et al. “Obstructive sleep apnea in Indian patients: A distinct clinical phenotype.” Sleep Medicine, 2004;5(2):177–183.

5. Bansal M, et al. “Prevalence and predictors of OSA in Asian Indians.” Chest. 2014;146(2):524A.

6. Rajagopalan P, et al. “Craniofacial and anthropometric differences in Indian men with OSA.” Indian J Sleep Med. 2016;11(1):1–6.

7. Pilli NR, et al. “High burden of undiagnosed OSA in Indian urban populations.” Lung India. 2018;35(6):472–476.

8. O’Connor C, et al. “Gender and racial differences in OSA.” Am J Respir Crit Care Med. 2000;161:1465–1472.

9. Patel SR, et al. “Sleep-disordered breathing in Hispanic/Latino populations.” Chest. 2016;149(1):91–100.

10. Lee RW, et al. “Craniofacial structure and OSA risk in Asians.” Sleep. 2010;33:1075–1080.

11. Sutherland K, Lee RW, Cistulli PA. “Obesity and craniofacial structure: ethnic impact on OSA.” Respirology. 2012;17:213–222.

If you have obstructive sleep apnoea (OSA), heading into surgery carries more risks than you might think, especially if your OSA is undiagnosed or untreated. OSA affects how you breathe during sleep, but it also affects how you recover from anaesthesia, how your body responds to pain medications, and how your airway behaves after surgery.

Understanding the relationship between OSA and surgery can help keep you safe and the key lies in understanding your individual “endotype.”

Why OSA and Surgery Can Be a Risky Combo

OSA is known to increase the risk of postoperative complications like:

• Respiratory depression

• Airway obstruction

• Cardiac events

• ICU admissions

This is because sedatives, opioids, and anaesthetics relax your muscles and blunts your response to airway collapse. For people with OSA, this can mean deeper, more frequent breathing disruptions than usual​.

One study showed that patients with untreated OSA are two to three times more likely to experience cardiopulmonary complications after surgery​.

Not All OSA is the Same: Why Endotypes Matter

An "endotype" is a subtype of a disease defined by its unique underlying cause and OSA has four endotypes.

The main OSA endotypes relevant to surgery include:

• Anatomical issues: Narrow upper airways or craniofacial structure

• Poor upper airway muscle responsiveness: Especially of the genioglossus (tongue muscle)

• High arousal threshold: Harder to wake up in response to low oxygen

• Unstable breathing control: Known as “high loop gain”, your breathing system overreacts to changes

Knowing a patient’s OSA endotype helps predict their perioperative risk and tailor the use of anaesthesia, oxygen therapy, and post-op monitoring​.

How to Stay Safe if You Have OSA

The good news is that many of these risks can be reduced with preparation and monitoring.

Here are the latest best practices:

1. Diagnosis before surgery matters

Two large studies show that identifying OSA before surgery reduces complications, even more so if CPAP therapy is initiated preoperatively​.

2. Continue CPAP in hospital

If you use a CPAP machine, bring it with you and use it as directed after surgery. It helps prevent airway collapse and keeps oxygen levels stable.

3. Use positional strategies

People with “supine-related OSA” (more apnoeas while lying on their back) should recover in a lateral or semi-upright position​.

4. Consider anaesthesia type

Whenever possible, regional anaesthesia (like spinal or nerve blocks) should be used instead of general anaesthesia. It spares the airway and minimises opioid use.

5. Monitor closely after surgery

Patients with OSA should be monitored with pulse oximetry and capnography. Particularly if they have high arousal thresholds or high loop gain, both of which can make it harder to detect breathing issues early​.

A Future of Individualized Care

As our understanding of OSA deepens, more surgical teams are recognising the importance of endotype-driven care. Some patients need extra oxygen to stabilise breathing. Others may need lower doses of opioids or closer monitoring based on their specific OSA profile.

Whether you're a known CPAP user or just suspect you may have sleep apnoea, the takeaway is simple: Speak up before surgery. A simple questionnaire like the STOP-BANG or overnight oximetry may be all it takes to flag OSA risk and prompt safer, tailored care.

References

1. Subramani et al. “Perioperative Management of Obstructive Sleep Apnea.” Anesth Analg. 2017;124(1):179–191.

2. Nagappa M, Mokhlesi B, Wong J, et al. “The effects of continuous positive airway pressure on postoperative outcomes in OSA patients.” Anesth Analg. 2015;120:1013–1023.

3. Mutter TC, et al. “Postoperative outcomes in OSA: could preoperative diagnosis and treatment prevent complications?” Anesthesiology. 2014;121:707–718.

4. Abdelsattar ZM, et al. “Impact of untreated OSA on postoperative complications.” Sleep. 2015;38:1205–1210.

5. Chung F, et al. “Society of Anesthesia and Sleep Medicine guideline on preoperative screening and assessment of OSA.” Anesth Analg. 2016;123(2):452–473.

If you're scheduled for surgery and think you may have sleep apnoea, or already use CPAP, reach out to us at www.bedpostsc.com.au. We'll help you make sure you breathe easier on the big day and beyond.

At Bedpost Sleep Collective, we know that good sleep is not a luxury, it’s a necessity. In a 2023 policy brief published by Victoria University’s Mitchell Institute and supported by the Sleep Health Foundation confirms just how central sleep is to our health, wellbeing, and even national policy.

Sleep: As Important as Diet and Exercise

The report argues that sleep is the third pillar of good health, alongside diet and physical activity. Yet it remains chronically under-recognised and under-addressed in public health efforts. Shockingly, over 65% of Australian adults report at least one sleep problem, with nearly half experiencing two or more. Meanwhile, obstructive sleep apnoea (OSA), chronic insomnia, and restless legs syndrome (RLS) remain widely underdiagnosed and untreated.

As clinical physiologists, we see this every day. People live with poor-quality sleep for years, even decades, not realising how profoundly it impacts their physical health, mood, energy, concentration, and relationships.

Poor Sleep Is Not Just Tiring – It’s Dangerous

The report highlights how poor sleep contributes to a staggering number of preventable illnesses and deaths. Sleep disturbances are linked to:

• Heart disease and stroke

• Type 2 diabetes

• Depression and suicidality

• Workplace accidents and motor vehicle collisions

In fact, Deloitte estimated that inadequate sleep cost Australia $66.3 billion in financial and wellbeing losses in a single year.

Why This Matters for You – and Why Bedpost Exists

The Policy Brief calls for a coordinated national sleep health strategy, including early screening and intervention in primary care. That’s where Bedpost Sleep Collective steps in. Our approach already aligns with these recommendations:

• Early detection and support: We help people recognise signs of disrupted sleep and guide them through appropriate next steps – whether it’s clinical review, at-home testing, or behavioural coaching.

• Accessible sleep studies: Our home-based testing and diagnostic services remove many of the traditional barriers to assessment.

• Evidence-based solutions: We go beyond CPAP – offering tailored therapy, education, and practical tools to improve not just how long you sleep, but how well.

We’re not just treating disorders. We’re helping our community build better sleep habits sustainably, realistically, and with compassion.

Let’s Rethink What “Healthy” Means

One of the key takeaways from the report is the need to think of sleep on a spectrum, not just a yes/no diagnosis. Even if you don’t have clinical insomnia or apnoea, poor sleep quality and irregular patterns can still undermine your health.

At Bedpost, we work with people across that spectrum – from those simply feeling “tired all the time” to those managing complex disorders. Whether you need a full diagnostic sleep study or just help breaking bad sleep habits, we’re here for it.

Take Action – Your Future Self Will Thank You

The report calls for a cultural shift: recognising sleep as health, not just comfort. Until the national policies catch up, we invite you to act locally and personally.

If you're struggling with sleep, or even just questioning your quality of rest, we encourage you to reach out. You don’t have to wait for policy change to prioritise your wellbeing. You can start tonight.

References:

• Mitchell Institute, Victoria University (2023). Sleep: A Core Pillar of Health and Wellbeing – Policy Evidence Brief. Supported by the Sleep Health Foundation.