Samsung Galaxy Watch 6 & 5 : Scientific Sleep Test
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- Опубліковано 27 тра 2024
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Timestamps:
00:00 Quick Intro
02:02 Test 1: Samsung Galaxy Watch 5
05:26 Test 2: Samsung Galaxy Watch 5 Pro
08:00 Test 3: Comparison To Other Devices
11:02 Test 4: Samsung Galaxy Watch 6
13:20 Test 5: Samsung Galaxy Watch 6 Classic
16:11 Test 6: Comparison to Oura Ring
17:58 Conclusions
I tested 4 different Galaxy Watches in the sleep lab, and the results were very interesting, but also very confusing. In this video I will share all the results, and we will also compare the performance of the Galaxy Watches to other devices like the Apple Watch and the Oura Ring. Some Galaxy Watches actually performed quite decently, however older Galaxy Watches actually did better in my testing, but I suspect this has nothing to do with those older watches doing better overall, but potentially due to all Galaxy watches struggling in particular circumstances. As always, there are timestamps in the description below to not waste your time. Let’s get to it!
Hello everyone, for those of you that are new to the channel, my name is Rob, and I am a postdoctoral scientist specializing in biological data analysis. Now, when the Samsung Galaxy Watch 6 and 6 Classic were released, I asked a friend who runs a sleep lab in the Netherlands if I could test them using one of his polysomnography devices. He agreed, and his students were kind enough to help me attach all the electrodes. It took a while to also analyze all the data, but it is here now, and the results are super interesting. I also tested the Samsung Galaxy Watch 5 and 5 Pro in a sleep lab here in Austria earlier this year. I have to say though, all results combined are also a bit weird.
For those of you that are not familiar with “sleep tracking”, what does this term mean? In the sleep lab we use a device that measures brain waves, eye movements, heart rate and muscle movements to calculate when you were in light sleep, deep sleep, and REM sleep, and also when you were awake. This is the scientific gold standard, but this is basically impossible to use each night. So, smartwatches and other trackers try to estimate the same stages with much less information, usually based on heart beat measurements and movement data. Over the last few years the algorithms that companies like Apple and Google use have improved a lot, but there are plenty of brands out there that have pretty bad sleep stage tracking. So, let’s see in which camp the galaxy watches fall. Each device was just tested for a single night, so take the results with a grain of salt, but they do potentially reveal an issue with the Galaxy Watch’s sleep tracking. - Наука та технологія
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*Sir, When is the Samsung Galaxy Fit 3 deep evaluation and comparison coming ?*
I don't see how a test with a single data entry (a single night) per watch is relevant.
always appreciate you doing these tests
Hello! I have a question, do you have any published scientific papers on this topic related to smartwatches and heart rate measurement? My PhD topic is heartrate detection algorithms, so I'd love to see your research! Are the algorithms you mentioned available (or open source) or known only to the manufacturer?
Thanks for yet another informative video providing valuable, science-based info that's important for anyone who wants to track their sleep; keep up the great work!
Thanks once again Rob, insightful as always
Hi Rob! What happened to the Pixel Watch 2? I remember it was on top of the chart for sleep tracking!
I love you’re videos even though I’m not interested in buying any new watch these days. The delivery, consistency and quality of your work is captivating.
That being said I can’t wait for you to test the new Casio H5600 watch. If I would buy a fitness tracking watch these days it would be that one. It’s just way more stylish than these wrist computers. Please test it!
Thank you for the follow up, been looking forward to it! Having the Samsung Galaxy Classic watch, it's kind of ironic deep sleep is the stage I most want to track.
Great scientific video. One question: Are you planning to do like an update of this video testing all galaxy watches when the update regarding health is released?
Also the results are interesting in terms of using the watches was it only for a single week or like multiple months?
@engineeertf2 They said it in their developer conference in the same one they launched a Health SDK.
On youtube links sometimes get deleted but I will reply with one article they mentioned working with universities as well medical institutions
EDIT: Welp both got deleted on my end
EDIT2: Reading seems that youtube by default hids links in comments because of the whole spamming of scammers if anyone sends a link in a comment it has to be manually approved by the channel so it shows up.
Did it get better
Great analysis
Thanks so much!
Hi Rob, thanks for your very instructive work ! I just discover your ytb channel and I wonder how do you process to keep track of all the measure you do with the watches you're testing and what is the software you use to record and compare the data ?
Thanks and good continuation anw !
Awesome!!! Hope you are the first reviewer of watches!!!!
I hope so!
Great Tests! very helpful indeed.
Wanted to Ask if you plan to test the ONEPLUS Watch 2 as well?
Hey Rob, thanks for another great video.Are you going to review the Amazfit Balance?
your videos are really helpful,are u planning to do a review on xiaomi's S1 and S1 active?
Please do Suunto watch review
Interesting results, my galaxy watch 6 classic is detecting about 3-8% more deep sleep than the average at around 1-1:30 hours of deep sleep every night which is distinctly different from yours where it detects deep sleep a lot less. I'm guessing that a lot of these variables will change depending on the person, some might have great results like the girl with the watch 5 and some might have horrible results like you did with the 6.
I think there was an update to Samsung Health app on the watch which improved deep sleep tracking 😮
I bought the Samsung Watch 4 when it came out for sleep tracking. It does look like I will need to upgrade at one point to something more reliable. I love that you're still doing these videos and checking everything!
It's still too early to get something new, but if there's a new non-Apple-walled-garden device that sweeps the floor I'll be watching.
Oura Ring being so good is very interesting. Cool that they're still alive and kicking, might be something for me to look into.
Non apple watch well only Samsung or Huawei tbh
I am just waiting for the update they mentioned in their conference that will improve the watch in terms of health overall.
If you are going to buy a ring there are a lot of alternatives even samsung is going to launch one.
@@sebastian05000 wann kommt das update und was genau ?
@iskren2 It was mentioned in their developer conference that it is not yet released
@@sebastian05000 would they still update Watch4?
It looks like the Google Pixel 2 is doing better for sleep tracking based on this and some other videos from this channel.
I saw a post that mentioned samsung doing quarterly updates, therefore an update should be out soon
Any plans for an evaluation of the Amazfit Balance, or have you given up on them? 😁
Hey Rob, have you also collected sleep lab data for the new Google/Fitbit Devices?
Hi! Just the original Pixel Watch
Hi Rob! Your videos are very informative with very good data. Have you considered testing Suunto 9 Pro and/or Suunto Vertical Watches? I am really curios how they compare to Apple 9 series. Thanks
so, to recap, which Galaxy watch is better or at least more balanced? Thank you
Regarding the frequent short awake moments during the second half of the night, I wonder whether this rather unusual sleep pattern is caused by feeling quite uncomfortable with all these cables attached to your head and face. I could not sleep at all. While one could argue that the perfect sleep tracker tracks ALL sleep phases, no matter how unusual they are, I could see that the algorithm focuses on more standard sleep patterns. So, would a "normal" sleeper get better results?
I think that is a point he brought up multiple times during the video, and I agree that it is very likely.
I think the better question to ask is if this pattern is consistent with all the other gadgets being tested using the same methodology, if it is then indeed it's due to this methodology and another methodology could be explored for more accurate results.
It's hard to tell for a normal sleeper if you cannot get a good way of collecting data from it reliably.
Hey Rob, are there any plans of reviewing the ultrahuman air ring?
@Rob: I see in the videos that you’ve tested the Muse S gen 2 against PSG, but I cannot find a dedicated video on it. Is one coming soon? I really hope so!
When using the galaxy watch 6 turn on the always measuring heart rate feature which will improve the accuracy
Thanks for the review, any chance to you can check the black shark S1and the S1 Pro?
Great video! Can you please review the accuracy of the new Amazfit Balance?
I will try! Data is already analyzed
Same ! Cant wait for the new Balance !
@@TheQuantifiedScientistI have the Samsung Watch 5 Pro, but haven't worn it since getting the Amazfit Balance.
The heart rate tracking on the Amazfit Balance seems pretty good in comparison to a chest strap and my Huawei Band 8.
I would like to know what you think about the heart rate and sleep tracking as we all know the Amazfit watches have been poor for heart rate tracking in past models.
Please also analyse the Amazfit cheetah pro smart watch, just a new version lunch 🎉❤
Amazing video
Pretty odd the issue of the 6 that tends to have 0 deep sleep.
2 weeks now that I have it and I range from 40 mins to 90 mins of deep sleep
What I dont like is that doesn't track less than 1 hour of sleep as nap
What about oxygen saturation during sleep. How accurate were the Galaxy watches
Do all smart watches monitor this particular parameter?
Please do the new Scanwatch Nova recently released or the ScanWatch2!! Want to know if their general accuracy has changed over the last 2 years.
Hey, really great video! Can you please test Xiaomi watch 2 pro for heart rate and sleep tracking accuracy? Thanks!
I'll wait on your update on the Pixel Watch 2 to make a decision about getting it or not.
I was looking at buying the Garmin Venu Sq 2 but when looking through your channel it seems you haven't tested this watch out. Would it be possible for you to check Garmin sq 2 out?
Galaxy watch 4 was good at sleep tracking on me... but as sports tracker it sucked at all... steps totally wrong and calorie counting made no sense. Heartrate was ok. My venu 3 is so much better with all measurings. Sleep on venu 3 is ok but if i count movement moments at night as awake minutes, it fits perfect. Deep sleep tracking was accurate in robs testing video... thats only what i need, awake time and deep sleep and when i fall asleep. So venu 3 is best sports watch for me with an OK Sleep tracking i can work with
Samsung is marketing their sleep functionality pretty heavily, only fot it being inaccurate
I have worn a Dreem2, Muse S, Samsung GalaxyWatch 4, Fitbit Sense 2, Polar Elite, and Amazfit for almost 10 months... the Amazfit was terrible and I stopped wearing it within weeks. The Muse S matches the Dreem 2 somnographs fairly well, except it doesn't show all brief awake moments and doesn't always catch deep sleep, especially if short. The GalaxyWatch and Polar Elite are terrible and rarely matches the Dreem 2. The Fitbit is somewhat better, but still no winner. I welcome anyone who wants my data, although I will need your help to extract the data...
come on man, where is review of Amazfit balance?:D
Can't wait review and test for huawei watch fit SE
Can you make Amazfit Active Scientific Test? (GPS, Heart Rate, SpO2, etc)
In the agreement plot only the Watch5pro was added in blue, why not the regular 5?
hello, would it be possible to also include the galaxy fit 3?
*Sir, When is the Samsung Galaxy Fit 3 deep evaluation and comparison coming ?*
What about a vid about the Withings ScanWatch 2?
Where is Samsung Galaxy 4?
Rob, Amazfit Balance reveiw please!!!
Please, make a video about the FUTURE of health sensors. What will be the new health metrics that could be measured in the future??
will you review ringconn?
Very informative and well structured video. Great comparison. Predecessor, successor, reference device. Well done. 👍👌✌👏👏💪💪 ...by the way: The Casio GPR-H1000 Rangeman is coming, maybe ~2-3 weeks left. The whole internet is waiting your results when a product relased 😁😆😅😉🙃🙃 -Shakespeare: "to be or not to be."- Think again: "buy it, or don't buy it?" Let's find out with Rob 🤔🤔😄😁😅
Do you have a video on a smart watch that watches blood pressure?
Danke für die tolle Arbeit.
Kannst du bitte bei Gelegenheiten die Honor Watch 4 Testen. Wäre interessant und der Vergleich zu Huawei 😅
The sleep test does not work on the newest Watch 6.
I have a watch6 and I have given up using it to sleep
I just bought GW6😂 now I want to compare the sleep test with my huawei band 6
I use my Watch 5 Pro for sleep.
Tho I am interested on the update they mentioned that will improve a lot of things
@@privxete4089 They mentioned in their developer conference
@@sebastian05000 Huh i tried finding days ago, do you have the time to send the link?
@@mfadzil931 Exactly same here but I bought GW 4 Classic and I need to check Huawei band 6 for sleep data which is way better than GW Classic 4
Can you do a review of CMF Nothing watch pro which is a budget watch?
I bought a fit2 and it worked well enough to figure out the total time of sleep. So i thought the newer samsung watch4 would be even better right? Well, nearly everytime when i woke up to go to the bathroom the watch still thought i was asleep. So it counted my steps but couldn't figure out that i was awake.
Please test the sleep tracking function in Casio g shock GBD H2000 watch.
Please also review the Ultrahuman Ring Air
Any chance of covering the nothing cmf watch
Did any Pixel watch 2 owner notice huge steps overcounting? Compared to the galaxy watch 5 pro, mine tends to overestimate by 30-40%
Why is the pixel watch 2, on a drifferent agreement here, then on your full video about the watch?
I already added more data :-)
Haha sry ive seen the end now of the video where you mentioned it. Good work👍
can you please review Gshock DwH5600 fitness watch?
I'm using the galaxy watch five four over two months. I absolutely beg you people with folded hands that please help me .
Galaxy watch does scoring and percentage of sleep Matrix with respect to the day. If I wake up to pee the clock measures from the next day. The sleep time splits in 2 sleep segments , the scoring starts from after 12. Fix this!!😢
Can you test the Masimo's watch?
Hi can U test casio DW-H5600-1ER Smartwatch G-SHOCK? It's looks like classic brick Casio, but I'm interested accuracy of this watch :)
Breaking News - "Apple's nightmare before Christmas! The tech giant will be BANNED from selling smartwatches in the US THIS WEEK over claims it stole medical technology, A landmark ruling says" - I don't even want to think of the financial losses here...
..and yes I know this video is about Samsung, but this is big news.
Hello Rob, I am very exciting when you testing Redmi watch 3 active and Redmi watch 4, because I wanted to buy cheap and accurate watch. Please test and I waiting for you 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏❤❤❤❤❤❤❤
What about garmin viviactive test?
Please review product magane h603 heart rate monitor compare with polar h10
I bought a watch 4 once after I had a fit2. It was the biggest disappointment ever. Samsung watch 4 couldn't even detect wake time when I got up to use the bathroom, yet it somehow counted my steps.
I counted on my fit2 to accurately count my sleep time and I was happy with just that.
What about pulse rate and oxygen level at night
@Samsung take note!
Please accurate testing Redmi watch 4 . Iam waiting for it . I want to buy this product 😊😊❤❤🎉🎉
Also I am waiting for the redmi watch 4 😊😊❤❤🎉🎉
still no new scanwatch review...........
Hi, thanks for this comparison. I was thinking to buy GW6, however by this comparison of sleep tracking, I think GW4 is not bad choice either, although bit old.
Can you please compare some day GW4 sleep tracking, to compare whether GW new models are doing better or worse? Thank you.
I have GW6 but I use my Huawei Band 8 when I'm sleeping 😅
can u pls review CMF watch pro :D
Please review product magane h64 heart rate monitor.
Where are the time stamps
When you add these findings to the overall battery life...a new Garmin sounds much better.
I have the galaxy watch 6 classic and the Apple Watch Ultra and many times I sleep with them to compare, some nights the Apple Watch seems to be better and some nights the galaxy watch 6 classic is more reliable. So I don’t think that there is a really good smartwatch for tracking sleep
I heard few times that PSG (EEG) is also way off.. as in, the whole scientific sense of sleep tracking is bad. I heard we have not much of a clue of the different stages of sleep and how to track them properly etc.. so like I don't really see the whole thing with sleep tracking. In my mind it is just a useless feature on a smartwatch. I've had friends go into sleep clinic and they didn't get much out of their whole examination.. like they went in with hints of sleep disorders and it only got confirmed.. and then got tips that everybody can read up on internet without going through it all.. so yeah like what's the point exactly? 😅 usually if you had a shit night you'll notice and a good night also. Don't need some device to show some sketchy or maybe not sketchy info right?
Tldr : i think smartwatches for health features are giga useless.. good for smart features like gps, music, connectivity, etc.. but like all the heart, step and sleep tracking has too many variables and margins of error to be considered 'useful'..
how did it get 0% deep sleep 💀
Also I am waiting for the redmi watch 4 😊😊😊❤❤❤🎉🎉🎉
Test Huawei Watch Fit SE please
Samsung needs to put their shit together for once
Really disappointing to hear samsungs lack luster performance but I appreciate your review and viewpoint
Literally don't bother using my watch 4 while sleeping!
Can you also mention which bands you’re using with each watch? Perhaps have the same set of bands would help with more consistency.
My Galaxy watch 5 pro registers too much awake, i think i move too much, but I'm not awake
I bought a s6 and Im hugely dissapointed. My metabolism is 1200 calories (50cal/hour). And in 2hours i burn 100 calories. What? Im have been moving put the trash outside, my heart rate was elevated at 80/90 in that frame time and still 100 calories like i have been sitting? Plus. I did the same workout, one on the weight machines and the other in the "other" mode and the calorie difference was hugeeeee. Whats the point of buying this garbage. I just needed a fitness tracker to track hrm and calories the most important thing to me. And this doesnt help at all.
Natural selection
Garmin Vivoactive 5 pls 🥹
Masimo freedom very soon
Apple watches are the best but they pay huge price for it - battery. For this reason Apple watches are for me unacceptable as other watches which has better battery but lack of accuracy.. Maybe one day... 🤷
Masimo w1 fda approved > apple watch
❤
Watch 5 pro is king
Rip apple watch
When you have a Huawei GT4 everything else looks cheap and toy like in comparison