Snoring that has been there for years is one thing. Snoring that started three weeks ago is a different question, and a more answerable one — something changed, and there is usually a short list of what.

The short list

You gained weight. Even a modest gain deposits fat around the neck and narrows the airway. This is the most common cause of genuinely new snoring in adults, and the most reversible.

You started drinking more, or later. Alcohol relaxes the muscles of the upper airway specifically. People who never snore will snore after enough drinks, and the timing matters more than the amount — a last drink close to bed is far worse than the same amount finished four hours earlier. (What one drink actually costs you.)

You are congested. Allergies, a lingering cold, a new pet, a new bedroom, dry winter air. A blocked nose forces mouth breathing, and an open mouth lets the jaw drop and the tongue fall back — which is the classic snoring geometry.

A new medication. Sedatives, sleeping tablets, muscle relaxants, some antihistamines and some blood-pressure drugs all relax the airway. If the snoring started within a few weeks of a new prescription, that is worth raising with whoever prescribed it.

You changed sleeping position. New mattress, new pillow, or you simply started ending up on your back. Back sleeping lets gravity drop the tongue and soft palate toward the rear of the throat. (Everything that swings snoring night to night.)

You are more tired than usual. Counterintuitive but real. Deeper recovery sleep after a period of deprivation means lower muscle tone, which means a floppier airway.

Age, gradually. Not sudden, but it creeps — muscle tone declines through middle age and snoring commonly appears in the 40s and 50s without any other change.

The thing to rule out first

Before working the list: new, loud snoring with daytime exhaustion is one of the ways obstructive sleep apnea presents.

The distinguishing features are witnessed pauses in breathing, gasping or choking awake, morning headaches, and feeling wrecked no matter how long you sleep. Any of those alongside new snoring and it is worth a proper assessment rather than a product. (How to decide whether you need a sleep study.)

That is not a reason to panic — simple snoring is far more common — but it is the one thing on this page worth checking before anything else.

Working out which it is

The useful property of sudden-onset snoring is that it has a start date. Think back to what changed in the month before it began: weight, alcohol, medication, bedroom, allergies, a house move, a stressful stretch that shortened your sleep.

Then test one variable at a time. Skip alcohol for a week. Sleep on your side deliberately. Treat the congestion properly with a saline rinse and a humidifier. Most people find one variable dominates.

What actually helps

Fix the nose if it is blocked. Congestion is the trigger for a lot of recent-onset snoring, and it is the easiest thing to treat. A saline rinse before bed, a humidifier in dry months, allergy management if it is seasonal. If the restriction sits at the nostril rather than deeper, a strip opens the nasal valve mechanically — TitanAir nasal strips use spring-loaded bands, which is what supplies the lift.

Close the mouth, if you can breathe through your nose. An open mouth is a large part of the snoring geometry. Holding it closed keeps the jaw up and the tongue forward, and it is the cheapest thing on this list to test — Titan's bamboo silk mouth tape is a full strip rather than a vented design, and it is independently lab-tested if you want to check the materials first.

Two conditions on that: you must be able to breathe comfortably through your nose, and you must have ruled out sleep apnea. Tape does not open a collapsing airway.

Sleep on your side, and move the last drink earlier. Both free.

The bottom line

New snoring almost always has a specific trigger — weight, alcohol, congestion, a new medication, a position change, or a stretch of deep recovery sleep. It has a start date, which makes it unusually diagnosable: look at what changed in the month before.

Treat the congestion, close the mouth if your nose works, sleep on your side, and drink earlier. But if the new snoring comes with witnessed breathing pauses or daytime exhaustion, get assessed before you buy anything.