How to Record Your Own Snoring (and What to Look For)

Almost everything on this site depends on being able to tell whether something worked. That is harder than it sounds, because the person best placed to judge is unconscious for the entire experiment and the other witness is exhausted and biased toward the worst night of the month.

The fix is to record. A week of data before you change anything, and a week after, converts every remedy decision from a memory contest into a comparison.

What to use

A snore-tracking app is the standard tool. They use the phone's microphone to log sound level across the night, save clips of the loudest episodes, and produce a nightly score. SnoreLab is the best known and the one most people end up on; several others do the same job. Charge the phone, put it face-down on the bedside table a metre or so from your head, and start it before you close your eyes.

A voice recorder app works if you would rather not have a score. You get eight hours of audio and no analysis, which is more honest and considerably more tedious to review.

A wearable — an Oura ring, a Whoop band, an Apple Watch, a Garmin — adds context the microphone cannot see: heart rate through the night, movement, and on some devices estimated blood oxygen and flagged "breathing disturbances." Useful alongside audio. Not a substitute for it, and not a diagnostic instrument.

A bedside sensor such as a Withings Sleep mat sits under the mattress and detects movement, heart rate and snoring without anything worn or charged. Convenient, and the same caveats apply.

How to record so the data means something

Seven nights, not one. Snoring varies enormously night to night with alcohol, congestion, position and how tired you were. A single night tells you nothing.

Log the confounders. Every morning, note four things: alcohol and what time you finished, how blocked your nose felt at bedtime, what time you went to sleep, and which side you woke on. Without those the recordings are noise.

Change one thing at a time. A week of baseline. Then one intervention for a week. Then the next. Running position training, a nasal strip and an earlier last drink simultaneously is how people end up with a drawer of products and no idea which one did anything.

Keep the phone in the same place at the same volume settings, or your "improvement" may be a moved bedside table.

Reading the results

The score the app gives you is the least interesting output. Four patterns matter more.

When it starts

Snoring that begins within minutes of falling asleep, on a night you drank, usually means alcohol. Snoring that starts an hour or two in, deepening as the night goes on, is more typical of position and of REM-related airway relaxation in the second half of the night.

Whether it tracks position

The single most valuable thing a week of recording can tell you. If the loud stretches line up with the nights or the hours you spent on your back, you are a positional snorer, and the free intervention is the highest-yield one available to you.

Some apps show a timeline you can compare against a wearable's position data. Failing that, note the position you wake in and the position you fall asleep in — imperfect, but informative across seven nights.

The shape of the sound

Play the clips. This is the part people skip and it is the most diagnostic thing you will do.

Rhythmic snoring that tracks your breathing — a sound on each inhale, evenly spaced — is ordinary vibration.

Crescendo, silence, gasp is the pattern that matters. Snoring that builds, stops abruptly for ten, twenty, thirty seconds, then resumes with an explosive snort or gasp, is the audible signature of an obstructive event. One or two across a night is not alarming; a repeating pattern is a reason to stop experimenting and see a doctor. The full symptom picture.

A snuffly, higher-pitched sound, particularly with an audible blocked nose, points nasal. A deep, irregular, dramatically position-dependent sound points to the tongue base. A rhythmic flutter that persists in every position points to the soft palate. Cross-reference with the four self-tests.

Whether it changed

Compare like with like: same number of nights, same confounders logged, same phone position. What you are looking for is a change in the loud minutes and the character of the sound, not in the app's headline number, which is proprietary and not comparable to anything but itself.

What to bring to a doctor

If the recordings raise the apnea question, take them with you. Clips of crescendo-silence-gasp episodes are far more useful to a clinician than "my partner says I snore," and they materially raise the chance of being referred for a proper sleep study rather than reassured.

Bring: two or three representative clips, how many nights a week it happens, whether anyone has witnessed pauses, your Epworth-style daytime sleepiness answers, and your blood pressure if you know it.

The bottom line

Record for a week before you buy anything. Log alcohol, congestion, bedtime and position alongside it. Change one variable at a time. Listen to the clips rather than the score.

It costs nothing and it is the difference between treating your snoring and shopping for it.