SleepU™ Wrist Pulse Oximeter

Unit works as intended once you understand a few idiosyncrasies. First, if you have small hands make sure you use the fatest finger (thumb) that keeps the "ring" tight. My wife ended up having to use her thumb, as we got intermittent starts and stops during the first few nights. Second, data is only transmitted to the app when the unit is being charged. We spent a bit of time trying to determine why the unit was not communicating. Third, to use it for a second person (and second app) you have to reset the unit to factory specs to erase all previous readings then sync to new phone or all old data (3 nights) from other person download again to the second person.

Very speedy delivery. Have been wearing it every night. Wakes me when my oxygen level drops to low. I have just a mild sleep apnea so it keeps me from having to use the cpac machine. The app is very easy to download and use. Highly recommended this device.

I really enjoy this product, it tracks everything and I dont have to worry. It has a nice long battery life and memory so I dont have to upload every night perfectly on time, it holds them till im ready

It works good but I wish there was another way to alert me where the O2 or heart rate goes below the settings. The vibration method does not wake me up many times.

Rarely have I found a device that more perfectly performs its function. I have sleep apnea that is only bad when I am on my back and have used this to teach myself to only sleep on my side. I’ve now been using the SleepU for 10 nights and after the second I'm now above 90 percent O2 100 percent of the time, and my heart rate remains within a reasonable range. The SleepU starts every time I put it on, connects with my iPad without fail and the app automatically transfers my usage data when I launch it and I can see each night’s results in summary and minute by minute. My only criticism is the instructions that could be more readable and comprehensive. A couple of YouTube videos would be helpful. I never write reviews, but made an exception this time. Five stars!

This sleep oximeter has exceeded my expectations, although I have only used it for two nights. It is easy to use, and the app offers a complete summary of the oxygen and pulse throughout the entire night.

The device and app worked great. I measured my O2 and pulse several nights in a row and it turned out fine so now I don’t need it as much but truly, it worked well and my sleep doctor was interested in the data.

Vibration is at "very strong" but still doesn't wake me.

Battery not long enough

Because I am on a CPAP, it seems prudent to validate that the approach is helping. This apparatus successfully offers a colorful immediate and longitudinal study.

Accessing too much data from users. Not sure if the apps is safe to use. By having access to photos, contacts, data files, etc. One never know where these data end up.

It works really well for me. I have been experimenting with using instead of my cpap. So far is working great.

El producto ha funcionado muy bien, cumple mis expectativas y en particular me gusta mucho la función de vibración cuándo el oxígeno baja el umbral inferior para saber cuando debo usar el Cicap. Me gusta mucho la suavidad de la sonda para el dedo, está hecha en silicona muy suave.

This is a remarkable piece of consumer-friendly technology. Previously, much of the data made available by this device could only be obtained by an inpatient sleep study. I would especially recommend this to folks who want to monitor their sleep data between supervised sleep studies, which -- as we all know -- can be "exhausting" in and of themselves. Andrew

It works as advertised. I really like the fact that if your oxygen level drops below 90 it vibrates and wakes you up. I have this happen almost every night.. Easy to use and it works well with my phone app. You do need to be sure to unplug it from the charger when you connect with blue tooth. It doesn't seem to be able to do both. Also I have had trouble connecting it to my PC. Overall I would say it's very well designed (comfortable) and it does a great job.

Will not connect to my computer, My computer says cannot find device. It found my computer for the first four days then stopped. Had to barrow a tablet to see the results. There are no phone numbers to call so old guys like me that do not E-mail or text can not ask any questions. Old guys like me are the ones that need the device. The device does work just fine. It will wake me up if my stats drop to low and it has been a life saver for me as my A-fib has stopped in the day and my 0/2 level has improved at night .

Each component is a good size meaning that it doesn't feel bulky or interfere with sleeping. The ring setup is much more secure than the O readers that are used with many of the take home sleep tests, which instills confidence in the results. I sleep in total darkness so there have been a couple of time where the light from the O reader has startled me if my hand passes by my eyes, but overall I have had good results.

Quick and smoothe shipping. Product is comfortable and works as described.

ve had this monitor for a good few months now and I must say it really is an excellent piece of equipment. There was a few teething issues (mostly down to user error!) but the support from the manufacturer is the best I have come across in a long time, they are personable, trustworthy and efficient. The watch itself is easy to use and comfortable to wear, you can set the vibration intensity to your preferred setting and the o2 level to what you want it to be. The battery lasts for a good nights sleep (I've had it on for over 10 hours without issue), just make sure the app is not running on your phone as this can drain the battery life. The readings provide great evidence to consultants and you can sleep comfortably knowing that you will be gently woken if your o2 levels drop too low. If you are worried about your 02 levels at night (which is probably why you are reading this!) then I would not hesitate, definitely worth the money.

Easy to use and fascinatingly insightful results. My partner has been telling me that I frequently stop breathing in the night for a while now, so not wanting to jump straight to the CPAP machines I started looking for sleep monitoring instead. This looked like the most comfortable/reliable device and after using it for ~10 days I am very pleased with my choice! The battery seems fine, some other reviewers had trouble but mine has lasted well. Longest session so far 9hrs 30mins. The app is very easy to use, the build quality is great/comfortable and the results for me have been very interesting. In the first few days of use the device recorded many drops, some of which as low as the mid 80's (% SpO2) accompanied by huge heart rate spikes - the app clearly shows that I've been practically suffocating in my sleep! Over the following week I adjusted the vibration to a weaker setting, and the threshold to 91%, and this seems to be a sweet spot for me. I still get drops but my time below 90% is down to 0% and the vibration seems to be enough to nudge me to roll over without fully waking me up. Fewer heart rate spikes and nowhere near as high. I'd certainly recommend this device for anyone who wants to analyse their sleep at home and the vibration on low O2 has clearly been working to keep me from suffocating so full marks from me! Notes: the device emits a constant dim red light around the finger, that's how it measures your SpO2, it's not very bright. The screen is much brighter when you first put the device on but turns off after a minute or two. The device is quite easy to put on, the rubber strap has a couple of metal clasps that you just push through the holes on the other side. You can charge the device from your computers USB or from a phone charger, it comes with an appropriate usb cable.

Great product. The only issue is that the oxygen percentages can be out by a couple of percentage points. The readings sometimes fail to upload to my phone, thus it is hard to get all of the information that I need. The online cloud information is not as detailed as on the app. Otherwise, it does what it says on the can.

Accurate, reliable excellent sleep monitor.Arrived intact and on time, securely packaged. This monitor was bought for an elderly relative to monitor sleep apnea. I have used it on myself to demonstrate application etc. Firstly very simple to set up using the app and blue tooth. Charging cable usb provided easy to charge using laptop or a wall socket with Usb port. Previous data can be viewed off line through the app. The wrist strap needs to be securely placed on wrist using both the studs to totally secure the band. The finger probe can be placed on any finger or thumb for your personal best fit. The images show I used a soft velcro to secure the small cable to my thumb, otherwise the probe will slip off during sleep. I used it for 2 nights and the images show a screen shot of the results. You can view the full sleep time readings, or break down to as low as 30 minute window, very usefull if you want to breakdown an event during sleep. Excellent information to show your doctor etc. Also can wear during exercise, walking, treadmill etc. Very comfortable to wear, does not interrupt sleep at all. Would recommend for anyone wanting to monitor oxygen saturations and heart rate during sleep.

SleepU Wrist Monitor is a great device - Highly Recommend!My wife tells me that I have returned everything "except her" :) & she is right. I am a Type-A personality that sides to the pessimistic, but this monitor works very well. The internal clock gets out off, but if you sync it with your phone, it reestablishes the correct time. Ok, I have to complain--I would prefer a.m. & p.m. times instead of military time. This was a wise choice & purchase.

Good tool for evaluating sleep apnea.The SleepU Wrist Monitor is the perfect device for people with OSA or any health issues which require pulse and oxygen level monitoring. Wrist Monitor: Wrist band and finger monitor are both made of quality silicon material that does not irritate the skin. Wrist band is adjustable and can fit both me and my husband's wrist. Comfortable to wear, the finger monitor is sturdy and will not slip off. The differentiating feature of the SleepU is the ring device will vibrate when your oxygen level dips below your defined threshold. Most oxygen monitoring devices cannot do this. The vibration will wake you up so you can adjust your sleep position and breath better. ViHealth App: Wrist monitor will automatically sync with the app once the ring is taken off your finger. App is easy to use and provides useful daily data. User can view data in different time windows and drill down. PC Software: Intuitive UI with simple features to do the job. Wrist monitor can upload the data to the PC software, which allows export to csv and PDF so you can email the sleep report to your doctor. Overall I am very happy with the purchase and will wear this daily to track my sleep activity.

I have sleep apnea and use a CPAP machine most of the time. I wanted a way to see how bad my spO2 levels would drop when not using the CPAP in different sleeping positions. This monitor worked very well and was easy to use. Excellent graphs on my IPhone. Was able to prove that by sleeping more upright I would have less apnea events, but demonstrated conclusively that I still need to use the CPAP.