Snoring that changes during the year may coincide with nasal symptoms, a different bedroom environment or changes to your routine. “Seasonal snoring” describes a pattern, not a diagnosis. There is no single season in which everyone snores more or less.

Illustration of a woman sneezing into a tissue beside flowering plants
Pollen is one possible seasonal trigger for nasal symptoms; it is not the only factor to consider.

Pollen season: look for accompanying symptoms

Hay fever can cause a blocked or runny nose, sneezing and itchy eyes. Pollen seasons differ by plant and location. A change in snoring alongside these symptoms is worth discussing with a pharmacist or clinician, but the timing alone does not prove an allergy.

Check local pollen information if you have a known allergy and follow your agreed management plan. Do not assume that summer automatically means fewer allergy symptoms or better sleep.

Indoor symptoms can occur throughout the year

Allergic rhinitis can also involve triggers such as dust mites, mould or pets. If symptoms mainly occur in a particular room, or continue outside the local pollen season, include that detail when seeking advice.

Address damp and condensation, keep the home ventilated appropriately and use cleaning measures suited to the identified trigger. Adding moisture is not always helpful: a damp room and a dry room need different responses.

During a cold, separate temporary congestion from persistent snoring

A blocked nose can contribute to snoring. Note whether the problem improves as the nasal symptoms settle. If it continues, avoid assuming that it is simply a lingering seasonal effect.

Ask a pharmacist about suitable treatment for nasal symptoms and follow the specific medicine’s directions and duration limits. Asonor is not a nasal decongestant and should not be used as an interchangeable substitute for allergy or cold treatment.

Check indoor air before buying a humidifier

A humidifier is not an essential purchase for everyone who snores. If you use one for dry-air comfort, measure humidity and follow cleaning instructions. The US Environmental Protection Agency recommends indoor humidity of around 30–50% for indoor-air management; this is not a proven snoring-treatment target.

Excess moisture can encourage mould. Avoid leaving water standing for extended periods and maintain the device as directed. Ask about persistent symptoms rather than repeatedly increasing humidity.

Consider what else changed with the season

Holidays, travel and changes to work or social schedules can coincide with different alcohol use, sleep timing or sleeping arrangements. Note these alongside nasal symptoms. A simple record helps you ask a more precise question than “Does winter cause my snoring?”

Useful details include where you slept, whether the nose felt blocked, known allergy exposure and whether someone noticed disturbed breathing. You do not need to collect months of observations before seeking help.

Do not wait for the season to change if symptoms are concerning

Breathing pauses, gasping or significant daytime sleepiness warrant medical assessment. Persistent snoring that affects daily life also deserves review. Our guide to snoring that has not improved with self-care explains how to prepare.

Asonor is intended to reduce snoring through local lubrication and hydration of the mucous membranes in the throat. Its jet-stream applicator delivers the solution through the nostrils. It is not a treatment for sleep apnea. Consult the instructions for use before use.

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About Asonor Team

The Asonor Team at TannerMedico A/S shares information about snoring, sleep and the use of Asonor. TannerMedico is the manufacturer of Asonor. Our articles provide general information and do not replace individual advice, diagnosis or treatment from a healthcare professional.