Apple Watch sleep stages and a separate sound record.
Apple Watch provides sleep and health features from its supported sensors, models, software, regions, and eligibility rules. Those details change, so Apple's current documentation is the source for what a particular Watch can show.
SomniSense does not reproduce, import, or verify Apple Watch sleep stages or notifications. It adds a different input: bedside phone audio.
Different signals, different outputs
A wearable view is valuable on its own. SomniSense can separately organize candidate sound regions by model-estimated time, type, duration, marked waveform, available audio, and whole-night position.
Neither output should be used to explain the other. Apparent agreement is not clinical confirmation, and disagreement does not prove that either product failed.
How to compare responsibly
- Compare the same date and first check that both products captured enough of the night.
- Read each value inside its maker's documented definition.
- Look for repetition instead of treating one dramatic night as a verdict.
- Do not infer airflow, oxygen, airway closure, clinical events, or diagnosis from the combination.
Current Apple source
See Apple Support — Sleep apnea notifications on Apple Watch for current device, region, age, and feature requirements.
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If you'd rather see your own night than read about someone else's —
It's free on both stores. Put the phone on the nightstand tonight; the report is there when you wake up.
Free basics stay available: core first-night candidate evidence, 5 audio plays per night, and a recent 7-day trend.