Why Does Snoring Get Worse in Winter?

Why Does Snoring Get Worse in Winter?

As the temperature drops and winter settles in, many people notice a common but often overlooked issue: snoring. While snoring can happen year-round, it tends to worsen during the colder months. This seasonal spike is not just an inconvenience — it can also be a sign of something more serious. Understanding why snoring gets worse in winter can help you take steps to improve your sleep quality and overall health.

The Role of Dry Air

One of the primary reasons snoring worsens in winter is the dry air that accompanies the colder weather. As indoor heating systems work overtime to keep us warm, they often dry out the air in our homes. This dry air can irritate the nasal passages and throat, causing the tissues to become more inflamed and swollen. The result? A narrower airway, which increases the likelihood of snoring¹. The more constricted your airways become, the more vibration occurs in your throat, leading to the familiar snoring sounds.

To combat this, consider using a humidifier in your bedroom. By adding moisture to the air, you can help keep your nasal passages clear and reduce irritation in the throat. This simple step can make a noticeable difference in your sleep quality.

Seasonal Illnesses and Their Impact

Another factor contributing to worsened snoring in winter is the increased prevalence of seasonal illnesses. During colder months, colds, flu, and other respiratory infections become more common. These illnesses can cause congestion in the nasal passages and sinuses, making it harder to breathe through the nose. When you breathe through your mouth, the airflow is less controlled, and the tissues in your throat are more likely to vibrate, leading to snoring².

Moreover, conditions like asthma can be exacerbated in winter, further complicating breathing. People with asthma often experience inflammation and narrowing of the airways, which can significantly worsen snoring. If you’re feeling congested or dealing with a respiratory infection, addressing the root cause — such as taking decongestants or seeing a doctor for advice — can help alleviate snoring in the short term.

Decreased Physical Activity and Weight Gain

Winter also brings with it a tendency to stay indoors more often, leading to a decrease in physical activity. Less exercise can contribute to weight gain, which is a known risk factor for snoring. Extra weight around the neck and throat can put pressure on the airways, making it more difficult for air to pass freely while you sleep. This added pressure can worsen snoring, especially if you're already prone to it³.

Maintaining regular physical activity throughout winter can help counteract weight gain and its impact on snoring. Even simple activities like walking or stretching can improve circulation and reduce the likelihood of snoring by keeping your airways open and reducing fatty tissue around the neck.

When Snoring Is a Sign of Sleep Apnea

While occasional snoring is common and often harmless, persistent or loud snoring may be a sign of obstructive sleep apnea (OSA). OSA is a serious condition where the airway becomes partially or completely blocked during sleep, causing frequent pauses in breathing. This can lead to fragmented sleep and a higher risk of heart disease, stroke, and other health issues.

If your snoring is getting worse in winter, or if you notice symptoms such as choking or gasping for air during the night, it’s essential to seek professional help. A healthcare provider can assess whether you have sleep apnea or another underlying condition that needs treatment.

Conclusion

Snoring is a common issue that can become more pronounced during the winter months due to dry air, seasonal illnesses, and reduced physical activity. While it might seem like a minor problem, worsening snoring could indicate a more serious health concern, like sleep apnea. If you’re noticing a significant increase in your snoring, especially if it's accompanied by other symptoms such as fatigue or difficulty breathing at night, it’s a good idea to consult with a doctor. Taking action now could help improve your sleep quality and overall health for years to come.

How Sove CPAP Clinic Can Help

Founded in 2008, Sove CPAP Clinic has grown to become a leading provider of respiratory and sleep services and products in Australia, with over 90 clinics nationwide. Our comprehensive clinical team includes Respiratory & Sleep Specialists, Sleep Technologists, and CPAP Consultants, ensuring you receive personalised care. All medical procedures, including sleep studies and lung function testing, are bulk billed to all Australians, with minimal wait time.

If you would like to speak to a Respiratory & Sleep Physician, book a bulk-billed sleep study, or seek advice for sleep apnea, you can reach us at 1300 76 29 39 or info@thecpapclinic.com.au.

References:

Wang, Ping, et al. “Does Seasonality Affect Snoring? A Study Based on International Data from the Past Decade.” Sleep and Breathing, 11 Oct. 2022, https://doi.org/10.1007/s11325-022-02717-9. Accessed 9 Aug. 2023.

Cosmetic Digital. “Why Snoring Worsens in Colder Months and When It Signals a Bigger Issue.” Jonathanhughes-Ent.com, 17 Nov. 2025, www.jonathanhughes-ent.com/2025/11/17/why-snoring-worsens-in-colder-months-and-when-it-signals-a-bigger-issue/. Accessed 21 Apr. 2026.

White, Samantha. “Nevada Sinus Relief.” Nevada Sinus Relief, 15 Dec. 2024, nevadasinusrelief.com/blog/why-snoring-can-get-worse-in-the-winter/. Accessed 21 Apr. 2026.

ALWAYS FOLLOW THE DIRECTIONS FOR USE. CPAP is used for Obstructive Sleep Apnea treatment. When considering whether a sleep study or CPAP is right for you, speak to your doctor.