





Product Overview
Key Features
- Sleep analyser device
Key Specifications
- Brand:
- Withings
- Model Number:
- WSM02-ANALYSER
- Health Sensors:
- Pneumatic and Sound sensors, Sleep aponea detection, snore detection, sleep analysis, and heart rate monitoring
- Functions:
- Clinically validated analysis of thoracic and cardiac activity to identify breathing episode cessations, Tracks sleep phases, depth, and interruptions
- Supported Systems:
- Withings app: iOS 14 and higher or Android 10.0 and higher, Also Apple Health and IFTTT
- Type:
- Sleep Analyser
General Information
- Additional Features:
- Wi-Fi, Bluetooth, Shareable sleep diary, Ultra-thin - compatible with all mattresses (excluding water), Free unlimited data storage on Withings cloud
- What's In The Box:
- Power supply with USB
Warranty
- Manufacturer's Warranty:
- 2 Year
General Information
- Additional Features:
- Wi-Fi, Bluetooth, Shareable sleep diary, Ultra-thin - compatible with all mattresses (excluding water), Free unlimited data storage on Withings cloud
- What's In The Box:
- Power supply with USB
Product Dimensions
- Product Height (mm):
- 637
- Product Width (mm):
- 190
- Product Depth (mm):
- 5
- Product Weight (g):
- 350
Box Dimensions
- Box Height (mm):
- 71
- Box Width (mm):
- 268
- Box Depth (mm):
- 161
- Box Weight (kg):
- 1
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Product Reviews of Withings Sleep Analyser

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At a glance
The Withings Sleep Analyser is an ultra-thin under-mattress sensor for adults who want overnight sleep tracking without wearing a watch or strap. It stands out for automatic monitoring of sleep phases, heart rate, snoring and sleep apnoea-related breathing events, plus app syncing and cloud storage. A key limitation is that it is designed for single-user in-bed tracking and is not compatible with water beds.
What it’s great for
- Overnight Sleep Tracking
- Snoring Monitoring
- Sleep Apnoea Screening Support
- Heart Rate Monitoring During Sleep
- Wear-free Health Tracking
Where it works best
- Bedroom
- Home
- Adult Sleep Environment
- Standard Mattress Setup
Who it’s for
- Adults
- Health-Conscious Sleep Trackers
- Snorers
- Users Wanting Wear-free Monitoring
- People Monitoring Breathing Disturbances
Things to consider
It offers strong at-home sleep insights, but it is less suitable than specialist clinical sleep study equipment for full diagnostic assessment and it does not work with water beds.
Family suitability score
6/10 - easy for one adult to use at home, but it is primarily designed for individual overnight tracking rather than broad multi-user family use.
Ease of data tracking
9/10 - automatic in-bed detection, wireless syncing and free cloud storage make ongoing sleep tracking very low effort.
App compatibility assessment
Strong compatibility with iOS 14 and Android 10.0 or later, with support for Apple Health and IFTTT integration.
Elderly friendliness
8/10 - the wear-free setup is convenient for older users, though app use and interpretation of sleep metrics may still require some confidence with smartphones.
Key benefits
- Under-mattress design: Tracks sleep without needing to wear a device on your body.
- Ultra-thin 5 mm sensor pad: Fits discreetly under most mattresses with minimal impact on comfort.
- Sleep phase tracking: Helps you understand patterns across your night, including sleep onset and wake time.
- Breathing disturbance detection: Monitors sleep apnoea events and breathing episode cessations for deeper overnight insight.
- Snoring analysis: Measures snoring duration so users can better spot recurring sleep disruptions.
- Heart rate monitoring during sleep: Provides cardiac activity data while you rest.
- Automatic Wi-Fi and Bluetooth sync: Sends sleep data to the app without needing manual transfer each morning.
- App and platform integration: Shares data with the Withings app, Apple Health and IFTTT for easier health tracking.
Q: Can this sleep tracker be used by two people in one bed
A: No. The Withings Sleep Analyser is best suited to individual adult use rather than households needing multi-user tracking. If you want separate overnight data for two sleepers, this model is not the right fit.
Q: Will the sensor pad work under a very thick mattress
A: Yes, in many standard setups. The Withings Sleep Analyser is an ultra-thin 5mm pad designed to fit under most mattresses, but it is not compatible with water beds, so specialised bed types are a poor match.
Q: What breathing data does it record while you sleep
A: Withings Sleep Analyser records breathing patterns, snoring, interruptions and breathing episode cessations during the night, along with heart rate and sleep phases. It is intended for home monitoring rather than a full specialist sleep study.
Q: Do I need Wi-Fi every night for sleep tracking
A: No. The Withings Sleep Analyser can sync sleep data by Wi-Fi or Bluetooth to the Withings app, so a constant Wi-Fi connection is not the only option. You still need a compatible iOS 14 or Android 10 device to view results.
Q: Is the Withings Sleep Analyser suitable for children
A: No. The Withings Sleep Analyser is described as suitable for adults, so it is better matched to adult overnight monitoring than child-focused use. If you need tracking for a younger user, this model is not the intended fit.
Q: Can sleep data be stored and shared outside the app
A: Yes. Sleep data can be stored with free unlimited cloud storage, and the Withings Sleep Analyser can share data with Apple Health or IFTTT. You need the Withings app on a compatible phone or tablet to manage those links.









