Is Hay Fever Making Your Snoring Worse?

Allergies can do more than block your nose. They can disrupt your sleep, increase snoring and sometimes reveal signs of sleep apnoea.

If you or your partner have noticed that snoring seems louder during hay fever season, there may be a very real reason for it.

Hay fever and allergies can inflame the nose and upper airway, making it harder to breathe comfortably through the nose while you sleep. When that happens, many people start breathing through their mouth instead. This can lead to louder snoring, more restless sleep and, in some cases, symptoms that may point to sleep apnoea.

For some people, it begins with a blocked nose and a few noisy nights. For others, it becomes a pattern: mouth breathing, waking tired, broken sleep, morning headaches, or a partner noticing pauses in breathing.

That is why allergy-related snoring is worth paying attention to. Sometimes it is simply seasonal congestion. But sometimes, it is a clue that something more may be happening during sleep.

Why allergies can make snoring louder

Hay fever, also known as allergic rhinitis, causes swelling and irritation inside the nose. When the nasal passages become blocked or inflamed, airflow becomes less efficient.

In plain English? Breathing through your nose gets harder.

When this happens, many people naturally switch to mouth breathing while asleep. This matters because mouth breathing can make it easier for the soft tissues at the back of the throat to vibrate. That vibration is what creates the sound of snoring.

So, if allergies are making your nose feel blocked, your snoring may become:

This is also why some people only seem to snore badly at particular times of the year. Spring pollen, dust, mould, pet dander and other allergens can narrow the airway just enough to turn mild snoring into something much more obvious

What the research says about allergies and sleep quality

The research on this is quite consistent: allergic rhinitis is linked with poorer sleep.

A systematic review and meta-analysis found that people with allergic rhinitis were more likely to experience poor sleep quality, sleep disturbance, lower sleep efficiency, snoring, sleep-disordered breathing and obstructive sleep apnoea.

That helps explain why hay fever can feel so draining. It is not always “just a runny nose.” If allergies are disrupting sleep, they can affect how rested, clear-headed and energised you feel the next day.

Poor sleep quality may contribute to:

Daytime tiredness
Brain fog
Irritability
Trouble concentrating
Restless sleep
Waking unrefreshed
Reduced daytime alertness

One study into seasonal allergic rhinitis found that pollen-season symptoms were linked with more disrupted sleep and reduced daytime alertness. So if you feel especially tired, flat or foggy during allergy season, your sleep may be part of the picture.

Allergies and sleep apnoea: what is the connection?

Allergies do not automatically mean you have obstructive sleep apnoea. However, they can make sleep-disordered breathing more likely, especially if your airway is already narrow or prone to collapsing during sleep.

A review on allergic rhinitis and obstructive sleep apnoea describes two key reasons for the link.

First, nasal congestion increases resistance in the nose, which means breathing takes more effort during sleep.

Second, mouth breathing can change the position of the jaw and upper airway, making the throat more likely to narrow or collapse.

This means allergies may:

Make existing snoring worse
Make sleep feel less refreshing
Increase mouth breathing overnight
Make underlying sleep apnoea more noticeable
Prompt a partner to notice snoring, choking or pauses in breathing

In practical terms, hay fever can sometimes be the thing that brings an existing sleep issue to the surface.

When snoring may be more than “just snoring”

Not every person who snores has sleep apnoea. And not every blocked nose is a red flag.

But some symptoms are worth taking seriously, especially if they keep happening beyond a short allergy flare-up.

It may be time to speak with your GP if you or your partner notice:

Loud snoring most nights, especially if it is getting worse
Gasping, choking or pauses in breathing during sleep
Waking unrefreshed, even after enough time in bed
Daytime sleepiness or low energy
Poor concentration or brain fog
Morning headaches
Very restless sleep
Mouth breathing during sleep
Waking with a dry mouth

For many households, it is the partner who notices the pattern first. They may hear the snoring, see pauses in breathing, or realise that sleep is becoming disrupted for both people.

That is why partner-focused education matters. A concerned partner is often the person who encourages someone to get checked.

Can treating hay fever help with sleep?

In many cases, yes. Managing allergic rhinitis properly may improve nasal breathing, reduce congestion and help sleep feel more settled.

Depending on your symptoms, this may include:

Reducing allergens in the bedroom
Washing bedding regularly
Keeping windows closed during high-pollen periods
Using saline rinses
Speaking with a GP or pharmacist about appropriate allergy medicines
Considering nasal steroid sprays if recommended by a health professional

However, it is important to remember that treating allergies does not rule out sleep apnoea.

If you have ongoing loud snoring, witnessed pauses in breathing, gasping, choking or significant daytime tiredness, it is worth speaking with your GP about whether a sleep assessment may be appropriate. Allergy treatment may help you breathe more comfortably, but it does not replace a sleep study if symptoms suggest your airway may be repeatedly narrowing or closing overnight.

When to talk to your GP about a sleep assessment

If snoring is becoming regular, disruptive or worrying, it is worth speaking with your GP.

This is especially true if your partner has noticed breathing pauses, or if you are waking tired, struggling to concentrate, feeling unusually sleepy during the day, or waking as though you have not slept properly.

A sleep assessment can help identify whether the issue is simple snoring, obstructive sleep apnoea or another sleep-related breathing problem. To begin this process, you will need a referral from your GP.

At Sleep Healthcare, the pathway may involve a home-based or in-clinic sleep study, followed by diagnosis, treatment advice and ongoing support if CPAP or another therapy is recommended.

For people diagnosed with sleep apnoea, treatment can make a meaningful difference to sleep quality, energy, long-term health and daily life. It can also make a big difference to the person sleeping beside them.

How to get a sleep study

If you are concerned about snoring, breathing pauses or possible sleep apnoea, start by speaking with your GP.

Your GP can assess your symptoms and, if appropriate, refer you for a sleep study through Queensland Sleep or Australia Sleep. Depending on your situation, this may be completed at home or in a sleep clinic.

Once your sleep study is reviewed by a sleep physician, your results can be explained clearly, including measures such as your AHI. If treatment is recommended, the Sleep Healthcare team can then help you understand your options, trial CPAP if needed, choose the right mask and stay supported with ongoing follow-up.

In simple terms:

1. Talk to your GP about your sleep concerns.
2. Your GP refers you for a sleep study if appropriate.
3. A sleep physician reviews your results.
4. Sleep Healthcare helps you understand treatment options and next steps.
5. You receive ongoing support to help make therapy more comfortable and effective.

Why this matters for snorers and partners

Snoring is easy to minimise, especially when there seems to be an obvious explanation like hay fever.

But if swollen airways are disrupting sleep night after night, the effects can spill into your energy, mood, focus, relationships and overall wellbeing.

That is why this topic matters. Understanding the link between hay fever, snoring and sleep quality gives people a better chance of recognising when it is time to go beyond over-the-counter fixes and get real answers.

If hay fever season always seems to bring louder snoring, worse sleep or concerns about breathing at night, it may be time to look more closely.

Not just at the allergies, but at the quality of sleep underneath them.
Speak with your GP about your symptoms and ask whether a referral for a sleep study through Queensland Sleep or Australia Sleep may be appropriate.

FAQs

Can hay fever make snoring worse?

Yes. Hay fever can cause nasal congestion and inflammation, making it harder to breathe through the nose during sleep. This can lead to mouth breathing, which may make snoring louder or more frequent.

Can allergies cause sleep apnoea?

Allergies do not directly cause sleep apnoea in everyone. However, nasal congestion and mouth breathing can worsen sleep-disordered breathing, especially in people who already have a narrow or more collapsible airway.

How do I know if snoring is linked to sleep apnoea?

Snoring may be linked to sleep apnoea if it is loud, happens most nights, or is accompanied by gasping, choking, breathing pauses, morning headaches, daytime sleepiness or waking unrefreshed.

Will treating hay fever stop my snoring?

Treating hay fever may help reduce congestion and improve nasal breathing, which can sometimes reduce snoring. However, if snoring continues or there are signs of sleep apnoea, a sleep study may still be needed.

How do I get a sleep study?

If you are concerned about snoring, breathing pauses or possible sleep apnoea, speak with your GP first. Your GP can assess your symptoms and refer you for a sleep study through Queensland Sleep or Australia Sleep if appropriate. Once your results are reviewed by a sleep physician, Sleep Healthcare can help you understand your treatment options and next steps.

When should I speak to my GP about snoring?

You should speak with your GP if snoring is regular, disruptive or accompanied by breathing pauses, gasping, choking, daytime tiredness, poor concentration or morning headaches. Your GP can discuss your symptoms and provide a referral for a sleep assessment if appropriate.

References

Blaiss, M. S. (2004). The correlation between allergic rhinitis and sleep disturbance. The Journal of Allergy and Clinical Immunology, 114(5 Suppl), S139–S145.

Craig, T. J., McCann, J. L., Gurevich, F., & Davies, M. J. (2003). Handling congestion-related sleep disturbances in allergic rhinitis. Allergy and Asthma Proceedings, 24(4), 243–248.

Kohyama, J. (2012). Daytime sleepiness and sleep in allergic rhinitis. Otolaryngology–Head and Neck Surgery, 147(5), 832–837.

Liu, J., Zhang, X., Zhao, Y., & Wang, Y. (2020). The association between allergic rhinitis and sleep: A systematic review and meta-analysis. PLOS ONE, 15(2), Article e0228533.

ResMed. (2024, November 7). Allergies and sleep apnea: How are they connected?

Sleep Foundation. (2020, November 19). Allergies and sleep: Disturbances and coping strategies.

Stuck, B. A., Czajkowski, J., Hagner, A. E., et al. (2015). The linkage of allergic rhinitis and obstructive sleep apnea. American Journal of Rhinology & Allergy, 29(1), 57–62.

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