
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.
Our Experience
The pitch is simple: track your sleep without strapping anything to your body. You slide the pad under your mattress, plug it in, connect to WiFi, and walk away. It does the rest.
After two weeks of testing alongside an Oura Ring, the sleep stage data lined up surprisingly well. Deep sleep percentages were within a few minutes of each other most nights. Where the Withings pad pulled ahead was consistency, I never forgot to “wear” it because there’s nothing to wear. It just works every night.
Snoring detection is useful if you share a bed. The app shows exactly when and how long snoring happened, broken into mild and heavy. Fair warning, the data might start some conversations you weren’t expecting.
Heart rate tracking was close to the ring, usually within 2-3 BPM. Not medical-grade, but solid enough for spotting trends over weeks and months.
The biggest limitation: it’s a single-person sensor. If you share a bed, the pad only tracks whoever’s directly above it. Couples need two pads, which doubles the cost.
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.
Check Price on Amazon


