Why Do You Snore? Causes and How to Stop It

Snoring happens when air flows past relaxed tissues in your throat and makes them vibrate (Mayo Clinic). It’s very common, and it isn’t always a sign of anything serious. The key question isn’t whether you snore, but whether it’s simple, positional snoring or a sign of something that needs more attention, like sleep apnea.

Who This Is For

This guide is for you if:

You’ve been told you snore, or you’ve heard yourself snoring
Your snoring seems to depend on your sleep position, alcohol intake, or how congested you are
You want to know whether your snoring is ordinary or worth mentioning to a doctor
Your snoring is affecting your partner’s sleep, not just your own
You want practical ways to snore less without jumping straight to a CPAP machine or surgery

Quick Summary

Check the common causes first: sleeping on your back (which lets your tongue fall backward), nasal congestion, alcohol or sedatives, excess soft tissue around the airway, or simply how your throat and jaw are shaped.
Try side-sleeping, treating congestion, cutting evening alcohol, and losing excess weight if it applies to you, since Mayo Clinic lists weight loss, avoiding alcohol close to bedtime, and sleeping on your side as lifestyle changes that can help stop snoring.
Get a medical evaluation instead of relying on a home fix if your snoring is loud, constant, paired with gasping or choking, or leaves you exhausted during the day, that pattern points toward undiagnosed sleep apnea.

Why This Happens

Back sleeping. Lying on your back lets gravity pull your tongue and soft palate backward into your throat, narrowing the airway, and Mayo Clinic notes snoring is typically worse on your back. This is one common reason people snore more on some nights than others.

Nasal congestion. A blocked nose forces you to breathe through your mouth, which makes the tissue at the back of your throat more likely to vibrate. Allergies, colds, and a deviated septum all increase snoring for this reason.

Alcohol and sedatives. Alcohol relaxes the muscles that normally keep your airway open, which is why snoring can be worse after drinking.

Weight and neck size. Extra soft tissue around the neck and throat narrows the airway, which is part of why snoring is more common in people who are overweight and may improve with weight loss.

Anatomy. A naturally narrow airway, large tonsils, or a recessed jaw can make someone prone to snoring regardless of weight or sleep position.

Age. Throat muscle tone may decrease with age, which could be one reason snoring tends to become more common later in life.

How to Fix It

Start with sleep position. Sleeping on your side rather than your back is a low-effort fix that can help (Mayo Clinic recommends it). A body pillow, or sewing a tennis ball into the back of a shirt, can discourage rolling onto your back.

Treat nasal congestion. Saline rinses, allergy treatment, or addressing a deviated septum may reduce mouth breathing and the snoring that comes with it, since Mayo Clinic lists chronic nasal congestion and a deviated septum among the causes of snoring.

Cut back on evening alcohol. Mayo Clinic notes that alcohol relaxes throat muscles and decreases your natural defenses against airway obstruction, so avoiding it close to bedtime may reduce snoring.

Address weight if relevant. If snoring developed alongside weight gain, even modest weight loss may reduce it.

Consider your pillow and mattress. A pillow that keeps your neck too flexed or extended can narrow your airway; a more neutral head position may help some people. If you’re shopping for one, the best pillow for snoring compares options built to keep your airway aligned, and if mouth breathing is part of the pattern, the best pillow for mouth breathing at night is worth a look too.

Try an anti-snoring mouthpiece if the cause is positional or jaw-related. A boil-and-bite mandibular device like SnoreMeds holds the lower jaw forward overnight, which may reduce the airway narrowing that causes vibration. The American Academy of Sleep Medicine’s 2015 guideline recommends that sleep physicians prescribe oral appliances for adults who request treatment of primary snoring, but it refers to appliances prescribed by a sleep physician after sleep apnea has been ruled out, and it suggests a custom, titratable appliance over non-custom devices, so a boil-and-bite or over-the-counter device may not perform the same way. Devices like this are a low-cost option some people try first (the SnoreMeds link above is an affiliate link), though it won’t help snoring driven mainly by nasal congestion, and if you have any signs of sleep apnea you should get evaluated before relying on one.

See a doctor if snoring is loud, constant, or paired with gasping. An ENT or sleep specialist can check for anatomical causes or run a sleep study to rule out sleep apnea.

Practical Tips

Track a few nights (or ask your partner) to see whether snoring is positional, many people only snore on their back
Try one change at a time so you can tell what’s actually helping
Nasal strips or dilators are a low-cost option some people try first, though evidence that they reduce snoring is limited
If congestion is seasonal, treating allergies during high-pollen periods may reduce congestion-related snoring
Keep a consistent sleep schedule, Mayo Clinic lists sleep deprivation as something that can make snoring worse

Common Mistakes

Assuming all snoring is harmless. Loud, constant snoring with pauses in breathing is a meaningfully different pattern from occasional, quiet snoring and shouldn’t be treated the same way.
Trying anti-snoring devices before identifying the cause. A mouthguard won’t help snoring caused by nasal congestion, and a nasal strip won’t help snoring caused by sleeping position.
Ignoring a partner’s reports. You can’t hear yourself snore, so dismissing feedback from a partner can delay addressing a fixable problem, or an important one.
Relying on alcohol to fall asleep faster. It may make you feel sleepy, but it does not reliably help you fall asleep faster (see this 2025 meta-analysis in Sleep Medicine Reviews), and because it relaxes the airway muscles, snoring often gets worse.
Waiting too long to get evaluated. If snoring is heavy and you’re also exhausted during the day, that combination is worth a medical evaluation rather than more home remedies.

When to See a Doctor

Mayo Clinic advises seeing a doctor if snoring comes with witnessed pauses in breathing, excessive daytime sleepiness, morning headaches, or gasping or choking at night, since these can be signs of obstructive sleep apnea. Sleep apnea is diagnosed with a sleep test, not from symptoms alone.

It is also worth getting checked if home changes haven’t helped, if snoring is very loud or happens most nights, or if a partner is worried about your breathing. If it is a child who snores and grinds their teeth at night, see child teeth grinding at night, which explains how sleep apnea can fit in.

Key Takeaways

Much snoring is ordinary and may improve with simple changes: side-sleeping, treating congestion, cutting evening alcohol, and managing weight where relevant. The exception is loud, constant snoring paired with gasping, choking, or daytime exhaustion, that combination points toward a sleep-related breathing disorder and deserves a proper evaluation rather than a home remedy. If snoring is affecting your sleep as a couple, it’s also worth knowing that plenty of couples address this by sleeping apart at least some nights while the underlying cause gets addressed.

About This Article

This article is part of Sleep Fixes, a site focused on practical, easy-to-follow solutions for common sleep problems like night waking, dry mouth, overheating, and disrupted sleep.

The content is based on widely accepted sleep principles and common real-world patterns, with a focus on simple changes that may improve sleep quality.

It is not medical advice. If your symptoms are severe, persistent, or worsening, consider consulting a qualified healthcare professional.

Why Do You Snore? Causes and How to Actually Stop It