Snoring Season? Why Colder Weather Can Worsen Sleep Apnea

News, Sleep / December 4, 2025

By Brendan Hardy, MD & Sanjeev Balamohan, MD – Board-Certified Otolaryngologist, ENT Center, North Chicago suburbs IL

When the air turns crisp and the windows close, many patients tell us their snoring gets louder or sleep feels less restful. It’s not just the change in seasons—cold, dry air and nasal congestion can make sleep apnea and snoring symptoms worse during fall and winter.

Why Snoring Gets Worse in Colder Months

In the colder months, indoor heating and dry air irritate your nasal passages. Congestion narrows airflow, causing tissue in the throat and nose to vibrate—leading to snoring. If you already have sleep apnea, those same blockages can cause more frequent pauses in breathing overnight, leaving you tired and foggy during the day.

Common seasonal triggers include:

• Dry indoor air
• Increased sinus or nasal congestion
  
• Fall allergies or lingering colds
  
• Weight gain before the holidays

When Snoring Signals Something More Serious

Occasional snoring can be normal—but loud, nightly snoring or gasping during sleep may signal obstructive sleep apnea (OSA). Other red flags include:

• Daytime fatigue
  
• Morning headaches
  
• Restless sleep
  
• Waking up choking or gasping

Untreated sleep apnea can raise your risk for high blood pressure, heart disease, and fatigue-related accidents, so it’s worth getting checked.

How an ENT Can Help

At ENT Center, we help patients find real relief—not just another night on the couch.
As a Board-Certified Otolaryngologist, We evaluate your airway, nasal passages, and tonsils to pinpoint what’s causing the blockage. Depending on your needs, treatment may include:

• Managing allergies or nasal congestion
  
• CPAP alternatives (oral appliances or nasal procedures like Inspire)
  
• In-office airway or sinus treatments for long-term improvement

Breathe Easier This Season

If your snoring has worsened with the colder weather—or your partner has noticed more restless nights—don’t ignore it.
Schedule an appointment with ENT Center in Niles IL to uncover the cause and start sleeping soundly again.

Additional Patient Resources:

Does seasonality affect snoring? A study based on international internet search indices
Key point: A multi-country study of Google Trends/Baidu data found that the search index for snoring increased during cold seasons/heating seasons

Is Sleep Apnea Worse in the Winter?” (by Sleep Center of Middle Tennessee)
Key point: The article summarizes a 10-year study of 7,500 sleep clinic patients showing a median AHI (apnea-hypopnea index) of ~17.8 in winter versus ~15 in other seasons (~20% higher) in winter.

Winter Health: Managing Snoring and Sleep Apnea
Key point: Describes how cold air, dry conditions, winter illnesses lead to more snoring/OSA issues in winter.

Cold Weather and Sinus Health: Tips for Relief and Prevention 
Key point: Explains that dry indoor air and cold weather can irritate nasal passages and create congestion, which ties to snoring/airway issues.