WITH · APPLE WATCH NOTIFICATION

An Apple Watch sleep apnea notification? Start with the report and a clinician.

A notification means Apple found a pattern associated with moderate-to-severe sleep apnea. Open the report in Health and discuss it with a qualified clinician. If you also want your own breathing record, SomniSense, a sleep apnea detector app, can independently analyze your phone recording and mark moments you can see and hear.

Apple Watch uses its accelerometer to identify wrist movements associated with interruptions in normal breathing. With at least 10 nights of wear in a 30-day period, it evaluates the pattern for a possible notification. The feature is for adults 18 or older who have not already been diagnosed with sleep apnea; availability depends on device, software and region. It is a prompt for clinical follow-up, not a diagnosis.

Three useful next steps

  1. Save the report from Health

    Open the notification and breathing-disturbance history, then export the PDF Apple provides so you can bring it to your appointment.

  2. Write down what you or a partner noticed

    Include witnessed breathing pauses, gasping, snoring, daytime sleepiness and how long they have been happening.

  3. Discuss the result with a qualified clinician

    Ask what evaluation is appropriate. Keep prescribed care unchanged; do not use a consumer recording to start, stop or adjust treatment.

WHAT SOMNISENSE ADDS

If you want another record tonight, use your phone

SomniSense independently analyzes breathing sounds for possible pauses and shallow-breathing patterns. The next morning, open a marked moment, inspect its waveform and hear the available sound before and after it. Your first complete breathing report is free; if no valid report forms, you can try again for free. No additional monitor is needed.

  • Candidate pause-like or shallow-breathing-like type, time, and model-estimated duration
  • The marked waveform and playback of the sounds before and after the candidate interval
  • Whole-night position, followed across nights in recent comparisons and structured reports

This optional wellness record cannot confirm or dismiss the Watch notification, and it should not delay clinical follow-up.

iPhone 1.2.0 interface example: marked breathing waveform and estimated event interval.

iPhone · version 1.2.0 interface example. Example recordings; your observations will differ.

Real SomniSense screen · a possible breathing pause, estimated time and duration, waveform, playback and position in the night

What three nights of real records showed

Our founder’s Apple Watch and two phones recorded values in a similar range on the same three nights, and all three moved up and then down together. It is an encouraging example of how an independent phone record can help you follow your own nights.

Three nights in October 2026
Night Apple Watch Breathing Disturbances iPhone 14 BRI Pixel 7 BRI
Oct 27–2826.2822.120.7
Oct 28–2932.0730.336.6
Oct 29–3026.0620.727.8*

*The Pixel’s third recording ended when its battery ran out at about 6:45 a.m., around 27 minutes before the other two records ended. The app marks it interrupted and excludes it from night-to-night comparisons; 27.8 is a partial-record value.

The founder was already diagnosed. These nightly readings are a personal observation, not a test of Apple’s notification feature or evidence that a phone can validate an alert. Apple Breathing Disturbances and SomniSense BRI remain different metrics.

See the original three-night records

A marked time gives you something specific to inspect

This real Pixel minute contains a model-estimated 15-second shallow-breathing candidate at 01:48:34–01:48:49. The visible quiet stretch and surrounding sound peaks give you a precise place to review, rather than leaving you with only a night-level number. On your own report, listen to the available context and save an available minute if you want a copy.

Real Pixel waveform for 01:47:51–01:48:51, with a marked low-amplitude stretch between visible sound peaks and sound rising again on the right.
A real Pixel minute, 01:47:51–01:48:51. The model marks a 15-second shallow-breathing candidate at 01:48:34–01:48:49. The axis labels are the minute’s endpoints, not the candidate interval.

A phone-based method with published research behind it

Our own audio algorithms were studied using recordings paired with labels from clinical sleep studies (polysomnography, or PSG). The research describes 80 person-nights from 40 participants. One published compressed-model evaluation achieved 88.49% accuracy when classifying labeled 200-second breathing windows.

That is a research-window result, not the accuracy of every app event, BRI value or personal recording. You can read the methods and task results on our research and evidence pages.

Read the audio research · See task-by-task evidence

Keep the clinical next step. Start your own record if it helps.

Bring Apple’s PDF and your symptoms to the clinician. If you want to see and hear your own phone observations as well, you can begin tonight with a compatible phone you already own.

Your first complete breathing report is free to view—and stays free to revisit.

No valid report yet? You can try again for free.

Start my free breathing report

Recording and analysis stay free. Pro unlocks later complete breathing reports; snoring stays free.

Already using SomniSense? Close this page and open a marked moment in your Night Report. More nights and context tags are optional.

Common questions

What if I have symptoms but no notification?
Apple says not everyone with sleep apnea receives a notification. Witnessed pauses, waking up gasping or persistent daytime sleepiness still deserve clinical discussion.
Is a Breathing Disturbances value the same as BRI or AHI?
No. Apple’s value is derived from wrist-movement information. BRI is SomniSense’s phone-audio observation rate, and clinical AHI comes from an appropriate medical sleep evaluation. Keep the names and measurement tasks distinct.
How do I compare the records?
There is no automatic Watch or Apple Health import. Compare the date and recording coverage manually; a partial phone recording should not be treated as a complete matching night.

SomniSense is a wellness tracking tool, not a medical device. It does not diagnose obstructive sleep apnea (OSA) or any other condition.

See how to review the evidence →

Sources checked October 30, 2026: Apple Support.