
Key Features
Under-Mattress Sensor
Thin pneumatic pad slides under your mattress. You don’t feel it, wear it, or charge it nightly.
Sleep Cycle Tracking
Detects light, deep, and REM sleep phases using body movement and breathing patterns. Syncs to the Withings app.
Heart Rate Monitoring
Tracks resting heart rate overnight through the mattress using ballistocardiography, no chest strap required.
Snoring Detection
Built-in microphone picks up snoring duration and intensity. The app shows a timeline of when snoring occurred.
Pros & Cons
What We Liked
- Zero-effort tracking, nothing to wear, charge, or remember
- Sleep stage accuracy rivals wrist and ring trackers
- Snoring detection with timeline is genuinely useful
- Withings app is clean and integrates with Apple Health
Worth Knowing
- $194 is steep for a sleep-only device
- Requires a nearby power outlet, no battery option
- Only tracks one sleeper per pad
Final Verdict
If you hate wearing a watch or ring to bed but still want reliable sleep data, the Withings Sleep pad is the answer. It won’t give you daytime activity metrics like a wearable does, but for nighttime tracking, sleep stages, heart rate, and snoring, it’s accurate, invisible, and completely hands-off. Best fit for people who want data without the wearable commitment.
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