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Withings Sleep - Sleep Tracking Pad Under The Mattress With Sleep Cycle Analysis

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Purchase options and add-ons

Brand Withings
Material Premium fabric
Color Grey
Compatible Devices Smartphones
Screen Size 0.96 Inches
Product Dimensions 9"L x 7.4"W x 0.19"H
Item Weight 0.6 Pounds
Sensor Type Wearable
Global Trade Identification Number 03700546703935
Manufacturer Withings Inc

About this item

  • ADVANCED SLEEP TRACKING - Sleep cycles, Sleep Score & snore detection
  • TRACK BREATHING DISTURBANCES - See sleep pattern interruptions which can impair the restorativeness of sleep
  • SLEEP-LAB INSIGHTS - Developed with sleep physicians and clinically validated
  • SLEEP HEART RATE - Track your heart rate continuously all night long
  • NOTHING TO WEAR - Easy one-time setup under the mattress, compatible with most mattresses
  • WAKE TO IMMEDIATE IN-APP RESULTS - Wake to all data in the free Health Mate app via Wi-Fi
  • SHAREABLE SLEEP DIARY - Make a medically-informed decision on your sleep by sharing an automatically-generated sleep diary with your doctor.

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Product Description

sleep mat
Track sleep. Enhance bedtime. Wake up a better you

Track sleep. Enhance bedtime. Wake up a better you

Featuring a simple one-time setup under the mattress, Withings Sleep helps improve sleep quality by offering advanced sleep cycle analysis (deep, light & REM), heart rate tracking, and snore detection. Delivers a daily Sleep Score. You can also create a better sleep environment by taking advantage of a range of smart home capabilities that Withings Sleep can support.

SLEEP TRACKING

SLEEP TRACKING

Get an in-depth analysis of your night with sleep cycles (deep, light & REM) and their durations, plus total sleep duration and interruptions.

SLEEP TRACKING

SLEEP SCORE

SNORE DETECTION

CONTINUOUS HEART RATE TRACKING

WAKE TO IMMEDIATE IN-APP RESULTS

EASY SETUP

ENHANCED SLEEP ENVIRONMENT

WORKS WITH ALEXA

WAKE TO IMMEDIATE IN-APP RESULTS

Find your results automatically in the free Health Mate app (iOS & Android) via automatic Wi-Fi sync. It provides valuable data that can be used during a doctor visit or can be easily shared with your healthcare provider via PDF.

EASY SETUP

Easy one-time setup under the mattress makes Sleep fit effortlessly into your life. Withings Sleep is compatible with most mattresses (spring, latex, foam, and memory foam from 10 to 45 cm thick).

ENHANCED SLEEP ENVIRONMENT

Create smart home automation scenarios just by getting in and out of bed. Via IFTTT integration, Sleep can act as a switch to control lights, the thermostat and more.

WORKS WITH ALEXA

Health Mate users can add this Alexa Skill to get motivated or simply check in with progress. Just say, “Alexa, ask Withings,” and discover sleep trends by day, week, or year

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 24.4 x 7.4 x 0.19 inches; 9.6 ounces
  • Item model number ‏ : ‎ WSM02-All-US
  • Department ‏ : ‎ unisex-adult
  • Date First Available ‏ : ‎ February 23, 2018
  • Manufacturer ‏ : ‎ Withings Inc
  • ASIN ‏ : ‎ B078Z1B34S
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:

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Customer reviews

4 out of 5 stars
2,202 global ratings

Customers say

Customers like the ease of setup of the biometric monitor. However, some customers have reported issues with the health data. They say the data is inaccurate and doesn't sync consistently. They also dislike the connectivity issues and lack of sleep tracking. Opinions are mixed on the app, performance, accuracy, sleep tracking, and quality.

AI-generated from the text of customer reviews

60 customers mention "Ease of setup"45 positive15 negative

Customers like the ease of setup of the biometric monitor. They mention that it's very easy to setup and use, and the IFTTT integration was rather nice. They also appreciate the app, which is easy to use and understand. They say that it integrates nicely with the Apple Health app, and that it automatically detects when you sleep and when you wake up.

"I really want to like this product, it is simple to set up, the initial sync with the phone and app works the first time, the software updates are..." Read more

"It was easy to set up and has been reliable for almost exactly 3 years...." Read more

"...captures nap (some apps only track night sleep)- app is easy to use, lovely user interface (much better than Apple Health), tracks other..." Read more

"...The only negative with this device is it may be difficult to install due to periodic Bluetooth issues and the need for periodic re-installation when..." Read more

148 customers mention "Performance"73 positive75 negative

Customers are mixed about the performance of the biometric monitor. Some mention it works surprising well through about 12 inches of heavy Tempur-Pedic mattress, and is satisfied with the results. However, others say that it does not work as advertised, does not distinguish between quiet, relaxed reading in bed, and completely useless.

"...On its own it seems to be working well and providing feedback on my sleeping patterns, which is why I bought it...." Read more

"...One thing it does not do well is distinguish between quiet, relaxed reading in bed and light sleep. Perhaps I can't always either--." Read more

"...Very useful." Read more

"UPDATE: it stopped working after the 6th day..." Read more

136 customers mention "Accuracy"87 positive49 negative

Customers have mixed opinions about the accuracy of the biometric monitor. Some say it provides just enough accurate and detailed information on sleep cycles that they can use it to confirm poor sleep patterns. Others however, say that the data is not 100% accurate and is slightly affected by animals laying on the bed.

".../sensor is no good if it is not accurate, and this one is meeting my accuracy standards...." Read more

"...Both pads record distinct sleep patterns for both occupants of the bed. Obviously, I have remained happy with the performance." Read more

"...I find this super frustrating and mildly insulting." Read more

"...It also tracks snoring and heart rate, which are also good to know...." Read more

105 customers mention "Sleep tracking"52 positive53 negative

Customers have mixed opinions about the sleep tracking capabilities of the biometric monitor. Some find it helpful in tracking sleep quality, excellent for sleep tracking, and easy to use. However, others say that the product consistently tracks less sleep than they actually sleep, and that the sleep data does not appear for the past night.

"...It just records your sleep every day without you ever having to think about it...." Read more

"...the software updates are trouble-free, but initially, the sleep tracking failed...." Read more

"...I am replacing it because I find it helpful in tracking sleep quality. I also find the heartrate monitoring and snoring monitoring of interest...." Read more

"...Cons:- biggest annoyance: it consistently tracks less sleep than I actually sleep...." Read more

31 customers mention "Quality"13 positive18 negative

Customers are mixed about the quality of the biometric monitor. Some mention it's well-made and reliable, while others say it'll break after a few months of use.

"...And the durations make no sense...." Read more

"...Update after 1 month:1. Robust: I have used it for a little bit less than 1 month now, and I have a reading from every day...." Read more

"...side as I have tried using IFTTT as well and it is also not completely reliable" Read more

"It was easy to set up and has been reliable for almost exactly 3 years...." Read more

29 customers mention "App"10 positive19 negative

Customers have mixed opinions about the app. Some find it easy to install and setup, and love using the app, saying it's rich and has a homeassistant integration. However, others say that it sucks, has no help function, and is disorganized.

"...First and foremost you need to know that this product has major software issues...." Read more

"...I will say the Withings app is awesome...." Read more

"...But in this case, I’m convinced this is a software bug that they simply cannot fix...." Read more

"...Oh, BTW, the app is not too good. I had a really difficult time setting my birthday...." Read more

43 customers mention "Health data"9 positive34 negative

Customers are dissatisfied with the health data provided by the biometric monitor. They mention that the data is not very close, it seems to just make up its data, and that it doesn't sync consistently. Some say that the device does not record data to Apple Health properly and that the app has no data between 10:30 and 4am.

"...I suspect that the device is also timing out, and failing to recognize that a trip to the bathroom or to get a glass of water is not the end of a..." Read more

"...- second largest annoyance: it declares that my fitness level is low based on a tracked walk I did with my friend’s dog...." Read more

"...-Could easily display real time data but doesn't-Doesn't sync data consistently and doesn't allow you to manually initiate a sync..." Read more

"...It provides a chart of heart rate and an overall sleep score per night, with averages on weeks and months. Very useful." Read more

33 customers mention "Connectivity"0 positive33 negative

Customers are dissatisfied with the connectivity of the biometric monitor. They mention that it does not connect to the Withings app and that it will spend a lifetime trying to connect. Some say that the product is difficult to pair with their phone and that the connection is impossible to re-establish.

"...I think the sensor tries to connect to the website, if it is not able to connect, waits for a few hours before retrying...." Read more

"...Another bad thig with this device is that you are required to have a wifi connection as it sends the data to their servers and then to your phone...." Read more

"...with this device is it may be difficult to install due to periodic Bluetooth issues and the need for periodic re-installation when it no longer..." Read more

"...It will spend a lifetime trying to connect. Even when your phone is literally sitting on the electrics box. Major major Bluetooth issues here...." Read more

so far so good - seems to work okay
4 out of 5 stars
so far so good - seems to work okay
I was pleasantly surprised to discover that the Withings Health Mate app DOES in fact display your Deep Sleep as not only hrs/min, but also % of the night. Ditto the REM sleep & light sleep. At least it does as of Aug 2023 (see pictures/screen-shots in my review here). I had an impossible time trying to confirm this ahead of time, before I made my purchase.I am docking 1 star for the accuracy, as I suspect these #'s I'm may or may not even be all that precise. Last night for instance I had a horrible night's sleep: tossing and turning, constantly waking up during the night, very shallow type sleep that felt like I was half-awake the whole time. The Withings Health Mate app actually displayed a whopping 30% Deep Sleep the next morning, which there's no way that's even close. Felt more like about 3% of my night was Deep Sleep instead.
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Top reviews from the United States

Reviewed in the United States on October 10, 2020
Style: SingleVerified Purchase
Ok, I do not ordinarily write reviews unless I am very impressed and this sleeping mat really impressed me. I have tried a variety of sleeping mats/sensors in the past and the single biggest problem with them all (other than this one) is that they require you to use your phone to record the sleeping data. With other mats, you need to remember to open an app on the phone and you need to store all the data on your phone, which gets very annoying after a short while. Not with this mat, the sleeping mat communicates with Withings directly over wifi and all your sleeping data is stored on their website. Your phone is just used to view the data whenever you want, you can delete the withing app from your phone and it will not erase the data. The other important thing about a sleeping sensor is the accuracy, a sleeping mat/sensor is no good if it is not accurate, and this one is meeting my accuracy standards. You do need to be careful where to put the sensor (they say under the sternum) but once you do that, then you don't need to worry about placement ever again, or even need to think about the sensor ever again. It just records your sleep every day without you ever having to think about it. This point is not to be under estimated, I have 10 years of daily weight data stored on the Withings website, because I use their weighing scale. And no, I am not giving them 5 stars just because I own their weighing scale, I would simply not bother writing a review if I was not truly impressed with the product. I am going to come back and update this review after 1 year, the true value of a good sleeping sensor is in being able to consistently produce a good measurement every day.

Update after 1 month:
1. Robust: I have used it for a little bit less than 1 month now, and I have a reading from every day. This is a first for me, my previous sleeping sensors never made it so far.
2. Accuracy: Accuracy is not super good but not super bad either. If you lie still in bed and do not move, this sensor will put you down as "REM", and the other deeper sleep settings can be fooled too. I think i have to leave the bed or sit upright for it to think that i am awake, otherwise it thinks that i am asleep. If the sensor is able to measure my heartrate and i don't move much, it has me down as asleep. Not complaining to be honest, I am not sure how much better someone else can do either.
3. Speedy reading: Typically i get the results as soon as i get out of bed, within 5 mins. On a few occasions, it has take longer. Sometimes as long as 6 hours. I think the sensor tries to connect to the website, if it is not able to connect, waits for a few hours before retrying. Not sure exactly what happens in the few instances. But I have always managed to finally get a reading from the previous night, even with those delayed instances. I see a lot of negative reviews and I feel that this could be a cause of concern. When you don't see the results right away, you get nervous that the sensor could be broken.
4. Five Stars: Yes, I still give this product 5 stars despite everything. Competitors take note, this is the first time that a sleeping sensor has been able to track my sleep for as long as a month, and the data is stored safely in Withings website. I don't think any other sleeping sensor competitor can say they do as good a job, including the mighty Apple. I am afraid that making a good sleeping sensor is so hard, that people might simply think it is not worth the effort.
42 people found this helpful
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Reviewed in the United States on May 9, 2018
Style: SingleVerified Purchase
I really want to like this product, it is simple to set up, the initial sync with the phone and app works the first time, the software updates are trouble-free, but initially, the sleep tracking failed. I had it for a week and it successfully tracked a full night’s sleep only twice and failed to track any sleep once. It most often tracked about 3 hours of sleep. I suspect that the device is also timing out, and failing to recognize that a trip to the bathroom or to get a glass of water is not the end of a night’s sleep and is failing to link the remainder of the night or tossing out the initial period and crediting the second and longer period.

Edited 5/23/2018
Product support suggested a lower and more centered position. This did not resolve the issue until I reset the pad and recalibrated. The pad is now positioned about sternum level and seven inches from the side of the bed. (queen size bed occupied by two, so centering is not an option) It now appears to be starting and stopping with my observed sleep periods. If you are diligent you can get the pad to record correctly. Most likely you will need to position the pad lower than implied in the instructions and six to ten inches in from the edge of the bed.

Edited 10/6/2018
Five months later and I still really like the pad. Consistent tracking every night, and periods out of bed long enough to make a cup of chamomile tea are included in the same night's sleep period.

Edited 8/5/2019
We added a second pad for the opposite side of the bed. Both pads record distinct sleep patterns for both occupants of the bed. Obviously, I have remained happy with the performance.
372 people found this helpful
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Reviewed in the United States on April 11, 2024
Style: SingleVerified Purchase
It was easy to set up and has been reliable for almost exactly 3 years. At this point, Withings support tells me that it "is experiencing a hardware issue and needs to be replaced. A "leak" has been found on its diagnostics that causes it not to correctly track your sleep." It's out of warranty [2 years] but they gave me a 25% coupon, which is helpful since the price has gone up significantly. I am replacing it because I find it helpful in tracking sleep quality. I also find the heartrate monitoring and snoring monitoring of interest. One thing it does not do well is distinguish between quiet, relaxed reading in bed and light sleep. Perhaps I can't always either--.
6 people found this helpful
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Reviewed in the United States on June 11, 2021
Style: SingleVerified Purchase
UPDATE: it stopped working after the 6th day

Overall I’m glad I have it, but it’s still not perfect/the last sleep app/device you’ll need.

Pros:
- no need to wear Apple Watch or the like to bed (with the screen randomly lighting up as you’re turning around)
- nothing to charge
- captures nap (some apps only track night sleep)
- app is easy to use, lovely user interface (much better than Apple Health), tracks other vitals imported from Apple Watch/Health
- love that I finally know whether I snore or not

Cons:
- biggest annoyance: it consistently tracks less sleep than I actually sleep. I usually wake up around 6 to go to the bathroom and come back to bed right after. This should be tracked like any interruption (I often do this around 2 or 3 am too and Withings tracks that interruption correctly). Why it can’t do that at 6am is beyond me. Consequently it also always thinks I never stay in bed after waking up, which couldn’t be further from the truth
- no option to set a wake-up alarm based on my sleep cycle stage
- second largest annoyance: it declares that my fitness level is low based on a tracked walk I did with my friend’s dog. This is very frustrating since I actually do resistance training 4-5 days a week and I’m very active the rest of the week. I’m currently purposely not doing any intense cardio work for a month, so it doesn’t rly know my fitness level. I find this super frustrating and mildly insulting.
Customer image
1.0 out of 5 stars Very helpful, not perfect
Reviewed in the United States on June 11, 2021
UPDATE: it stopped working after the 6th day

Overall I’m glad I have it, but it’s still not perfect/the last sleep app/device you’ll need.

Pros:
- no need to wear Apple Watch or the like to bed (with the screen randomly lighting up as you’re turning around)
- nothing to charge
- captures nap (some apps only track night sleep)
- app is easy to use, lovely user interface (much better than Apple Health), tracks other vitals imported from Apple Watch/Health
- love that I finally know whether I snore or not

Cons:
- biggest annoyance: it consistently tracks less sleep than I actually sleep. I usually wake up around 6 to go to the bathroom and come back to bed right after. This should be tracked like any interruption (I often do this around 2 or 3 am too and Withings tracks that interruption correctly). Why it can’t do that at 6am is beyond me. Consequently it also always thinks I never stay in bed after waking up, which couldn’t be further from the truth
- no option to set a wake-up alarm based on my sleep cycle stage
- second largest annoyance: it declares that my fitness level is low based on a tracked walk I did with my friend’s dog. This is very frustrating since I actually do resistance training 4-5 days a week and I’m very active the rest of the week. I’m currently purposely not doing any intense cardio work for a month, so it doesn’t rly know my fitness level. I find this super frustrating and mildly insulting.
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Customer image Customer image Customer image
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5 people found this helpful
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Top reviews from other countries

Bulat Gaifullin
5.0 out of 5 stars Review of Withings Sleep Tracking Pad from a Longevity Expert's Perspective
Reviewed in Canada on December 20, 2023
Style: SingleVerified Purchase
I recently integrated the Withings Sleep Tracking Pad into my sleep routine. Its ability to track sleep cycles and provide detailed analysis aligns with my focus on optimizing health for longevity.

Ease of Setup and Use:

The pad is effortless to set up under the mattress and unobtrusive during sleep.
Sleep Data Accuracy:

The detailed sleep cycle analysis is impressive, offering insights into sleep patterns crucial for health and longevity.
App Integration:

The data syncs seamlessly with its app, providing an easy-to-understand overview of sleep quality.
Overall Experience:

The Withings Sleep Tracking Pad is a valuable tool for anyone serious about improving their sleep quality as part of a holistic approach to health.
2 people found this helpful
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fabio saito
3.0 out of 5 stars Útil para monitoramento superficial do sono
Reviewed in Brazil on December 13, 2022
Style: SingleVerified Purchase
O aparelho detecta com certa acurácia o sono profundo, REM e superficial, mas tem basicamente a mesma acurácia que um monitor fitbit ou amazfit, bem mais em conta, mas com maior precisão do Withings na identificação de sono REM. ele fornece, no atual aplicativo "Health Mate" do IOS, a % de cada fase do sono. falta um luz indicativa de que o aparelho está ligado e conectado à fonte (não tem como saber se ele está funcionando senão pelo proprio aplicativo). também ele não parece possuir memória: em caso de falta de energia antes de sincronizar com o celular, os dados daquela noite são perdidos. senti falta da gravação dos roncos (o aplicativo informa só o numero de roncos e a % da noite em que roncou). o Health Mate não fornece gravações, como acontece com aplicativos Ios como Sleep Cycle, nem calcula o intervalo entre os roncos, como alguns aplicativos como o MyNight faziam, que poderia ser usado para suspeitar de apnéia do sono. O Withings tb não fornece dados sobre a posição da pessoa (que poderia ser correlacionado com os roncos do Sleep Cycle) como acontece com bandana Muse. O Withings tb às vezes demora um pouco pra sincronizar com o celular, e só o faz DEPOIS que a pessoa se levanta da cama, diferente dos relógios/pulseiras. Mas de uma forma geral, é um bom produto.
2 people found this helpful
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Ricardo Gómez
5.0 out of 5 stars Excelente sensor
Reviewed in Mexico on December 31, 2018
Style: SingleVerified Purchase
Excelente medidor de la calidad del sueño. Recomiendo ampliamente este producto y revisar los demás que ofrece Nokia/Withings. Yo tengo la báscula, el medidor de presión, el termómetro y este dispositivo de medición del sueño y puedo contar que son unos excelentes dispositivos.
4 people found this helpful
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Reviews de resaca
5.0 out of 5 stars Te olvidas de el y funciona.
Reviewed in Spain on December 23, 2019
Style: SingleVerified Purchase
LLevo un año con el. En principio me molestaba tener que llevar un wearable por la noche para medir el suelo, cuando vi la opción que ofrecia Nokia, quise aprovecharlo. Funciona como se espera, aunque no tenia esperanza en que la medicion de las pulsaciones fuera tan preciso la verdad es que va de locura. La app tambien es mejor de lo esperado y cuando ya le alimentas de mas datos como peso o masa corporal, es una firme oponente para la app de salud de apple.
Por lo que vale , es perfecto. El mejor tipo de tecnologia, la que funciona y te puedes olvidar de ella,
2 people found this helpful
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Mg
5.0 out of 5 stars Ottimo prodotto
Reviewed in Italy on November 15, 2019
Style: SingleVerified Purchase
Io non so come faccia! Lo uso da qualche settimana, ed è precisissimo. Per esempio rileva se mi sveglio e mando un sms, per poi riaddormentarmi. Senza praticamente muovermi, ho spostato la mano per prendere il telefono sul cuscino e rimetterlo giù, ed ha rilevato che in quei secondi ero sveglia. Mi interessa molto sapere come va il battito cardiaco nella notte, stanotte per esempio ho avuto un incubo piuttosto brutto ed ho rilevato un picco molto alto dei bpm all’ora in cui mi sono effettivamente svegliata. Ho anche scoperto che ogni tanto russo per qualche minuto 🙈.
Sono molto soddisfatta di questo prodotto, l’installazione è semplicissima e l’integrazione con l’app perfetta.
Se non si dorme a casa, i dati mancanti non vengono considerati (non funziona come Apple Watch, per esempio, che se si scarica o non si indossa abbassa la media delle calorie consumate o dei dati di movimento).
6 people found this helpful
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