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Sleep Cycle: Sleep analysis & Smart alarm clock

Sleep Cycle: Sleep analysis & Smart alarm clock

Sleep Cycle AB

Want to sleep better? Let Sleep Cycle coach you.

4.6 Ratings 485K+ Reviews 5M+ Downloads
Featured on Top Apps to Help Sleep Better Every Night

About Sleep Cycle: Sleep analysis & Smart alarm clock

Want to sleep better? Let Sleep Cycle coach you.
see more about Sleep Cycle: Sleep analysis & Smart alarm clock

Ratings & Reviews

4.6
484.7K+ Ratings
  1. 5
    75%
  2. 4
    18%
  3. 3
    3%
  4. 2
    1%
  5. 1
    2%
  • Oct 6, 2020

    By Justin W
    The microphone tracking is a great idea and seems well implemented, but there are two issues that baffle me that are easily fixed: 1) I often wake up early and want to know if I've gotten enough sleep. Show me. Why make me remember what time I went to bed and calculate? 2) It knows when I'm awake or asleep based on the microphone data so why doesn't it subtract out the time I was not sleeping? "In bed" time should be a second, less-important metric. Time actually asleep is more important.
    more
  • Alien technology!!! Dec 5, 2017

    By MiSteve1
    I love waking up early but I struggle so much actually doing it. I literally set about 5 alarms to try to get myself out of bed. And if I don't set an alarm (because I read your body will wake itself up when it has had sufficient rest) i sleep for 10-12 hours. My first night using this app I was a little weary about if it would actually work. I set a few other alarms after when it was supposed to wake me up just so I wasn't late. BUT IT WORKED! It went off about 6:20 because I said I wanted to get up between 6:15 and 6:45 and I woke up turned it off and was expected to fight myself to stay awake like norma. This didn't happen. I felt perfectly rest and felt like I had energy all day. I fell like this app is some kind of alien technology used to give me more sleep in order to prepare me for a study they are doing. Or that this is the technology Batman used in order to only have to sleep 2 hours a night. Even if you are skeptical I would say try it out. I haven't used the premium features that you have to pay for, and with only using the free section this is my opinion. Try it! Just seize the opportunity to easily wake up in the morning. Or spend thousands of dollars on a new mattress. I guess it's your choice.
    more
  • Really solid Jul 23, 2018

    By DCpdx
    The app is great, I’ve had it for years. I don’t have a ton of confidence in the accuracy of their claim for your sleep efficiency each night, but it’s probably not far off. What I love most is the snooze...it senses you tapping the phone to activate snooze! So you don’t have to grab your phone and try to find a brightly lit little button in a dark room when you don’t want to b opening your eyes—just physically tap the phone anywhere! In fact, I just tap my nightstand and that is enough to silence the alarm for the snooze! My one big complaint, however, is a change that was made a couple months ago. Now you have to unlock your phone to turn it off. It used to be that the screen would dark all night, but it wouldn’t be locked, so when the alarm goes off in the morning you just see the app with an off button. But now, the phone auto-locks, so in the morning when it’s time to turn off the alarm, all you see are all the notifications on the lock screen that came in all night. So you have to fight those to get to the unlock, where you can get to app to turn off alarm. Super annoying. It ruins an otherwise nice experience, and does so at the worst time: when you are waking up in the morning. (The developer said this due to a change in policy from Apple, and they’re working on a fix. Let’s hope one comes soon!)
    more
  • Oct 10, 2020

    By QuickSkinner
    Bought this app when it was a 1 time purchase but have since stopped using that account. When i went to use it again, its now behind a paywall. Seems like going down the fitbit avenue is better until they lower the price a bit. Also the microphone option doesnt work very well. Says i was asleep last night at 4am. But i didnt even try to get to sleep til 4.15, and even then i didnt get to sleep til after 5. Have got 2 more days left of free trial. Will try accelerometer then probobly try a different sleep tracker.
    more
  • Oct 5, 2020

    By Oren Savidor
    Since I started using this app I can't even think of going back to using a regular alarm. It completely transformed my mornings. It takes time for the app to study your sleep cycle and it woke me up from deep sleep more than once or twice. It also drains the battery if the phone is not connected to the power source which is a bummer since it's really not healthy to charge the phone next to your head when you sleep.
    more
  • Oct 4, 2020

    By Ben Wagner
    Ever since the new Android update in late September 2020 (Android version 11 I believe) it no longer records my sleep movements. I've tried cleaning my microphone, using the accelerometer, and updating the app. Since the whole reason I used this was to wake up at the end of a sleep cycle, it's pretty much useless now. It was great when it worked.
    more
  • Really good Jun 3, 2020

    By mblling
    I like it’s softer alarm sounds to wake me up. It’s nice to know if you snore while sleeping, and most of the time the sleep cycle thing looks accurate. I find that it’s really off in when you fall asleep (saying I fell asleep immediately even though I stayed up longer) or in waking up (says I was sleeping soundly until the alarm but In reality I was just awake and relaxing) I’ve never really found it to follow any scientific knowledge to wake me up, it just gets me up either at the first minute of my window or the last minute, but that could possibly be due to the fact that I don’t have a bedside table and sleep with it on the windowsill next to my bed. There’s also, I haven’t figured out why, this thing it does sometimes where the alarm doesn’t go off at all, and it just gives you a little silent “good morning!” Notification if you set it up to wake at a certain time. Obviously this doesn’t wake me up. I’ve been lucky enough to just naturally wake up about 10 or so minutes after my alarm each time, but it’s dangerous if you wait until later to wake up. I also haven’t found a way to set it to just repeat on its own every night, you have to manually tell it you’re sleeping now and set an alarm every night. So, I would say this app is good if you want a gentle alarm to wake you up for things you want to do in the morning sometimes, but not good if you need it for important things you’re waking up for.
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  • Doesn’t do the job. Jul 6, 2018

    By Positively Annoyed
    After a month of premium (paid) service this ‘Sleep Cycle’ app isn’t working, and there isn’t any way to contact the app developers. I set the app to start recording my sleep and set down my device in the very specific way requested, with it plugged in even, and at some point during my sleep it turns off and records nothing. Last night it recorded 1.5 of the 8 hours I actually slept. I can’t edit to correct a specific sleep cycle. I can’t create records that have only basic information, like how many ours I slept. I have many night that have gone unrecorded and that is the information that goes into their stats. Stats based on incorrect information are useless! So what exactly does ‘premium’ service get me? Nothing. Who cares if I have bad and incomplete information backed up? All the other stats I can easily look up on my own, for free. Don’t buy the premium service. It is a complete waste of money. I also tried ‘Life Cycle’. It doesn’t track well. You have to fill in a lot of information and that is pointless when the map location is incorrect and, again, the app doesn’t allow you to edit or correct their mistakes. Incorrect information is useless. Neither app is worth paying for. Response to app developer response: why would you think I hadn’t already tried the simple ideas? I did that. I rebooted my device as well. None of the easy-fix options have helped. If they had a review like this would just be petty instead of helpful to others.
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  • Used to be great, but went to garbage Oct 25, 2019

    By Olushka
    I have had this app since 2011. I loved it and recommend it to everyone I knew. Regretfully, starting with the last major update, it has gradually undone all the things I fell in love with. 1. User Interface. It’s been about a year since it was changed, and I still cannot get used to the new clunky cartoonish UI, which apparently was designed by a toddler. The sophisticated slick and polished user interface, no more. I figured OK, it’s just a form, let’s focus on substance. Well... 2. The reliability of the analysis and features went down the drain. The app shows me as being asleep, when I am not, and vice versa. In fact it will show things like snoring and being awake at the same time. Really? 3. Woke me up randomly at 3:30 am instead of 6:30. I kept snoozing it, wondering why I just can’t wake up, to finally open my eyes and see 3:45 on my alarm. HOW? I know I did not make an error. The alarm still shows as being set for 6:30. The only thing I can think of is that I came home from a location with a different time zone (3 hours early) that day. Was this the cause of screwed up internal sleep cycle clock? But cmon. When I set the alarm the night before, the current and the wake times were shown correctly. Needless to say, I could not go to sleep after, and was off my game the entire day. Ironic, that the app you get to help your sleep, ruins it for you. I am uninstalling and moving on to other apps. Done with this nonsense.
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  • So disappointed Dec 22, 2018

    By Asdfかう
    I’ve had this app for years and relied on it to wake me up on time and give me insights on my sleep quality with little to no problem. And it did just that, until recently. I set the app’s alarm one night, as usual, and went to bed. When I woke, I realized that I overslept when this app alarm was supposed to wake me. I briefly considered the possibility that I set the wrong time for my alarm. So I open the app and what I found bewildered me. Not only did it seem like the app wasn’t tracking my sleep at all the previous night, but ALL of my sleep data was gone. Erased. Years of insights wiped from memory. But I thought, “this app is still a good alarm to wake up to” so I used it to set an alarm for the next day. I fall asleep that night and wake up. The sun is shining through my window. That’s my first clue that something is off. I set my alarm for 5 am, when the sky is still dark. So obviously, I overslept again. I open the app, trying to find some acceptable reason for me not waking up to it, hoping that I was doing something wrong and that this app that I’ve trusted for years wasn’t suddenly malfunctioning. Unfortunately, it was the app. Once again, it didn’t seem to be analyzing my sleep patterns and no insights from my recent rest appeared. To top it off, this was the second day in a row that I woke up late for work. This app has disappointed me in so many ways. The only positive thing is that I didn’t spend any money on this. Do not download.
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  1. Get your perfect night's sleep! Sleep Cycle monitors your movements while you sleep in order to wake you up at the most optimal moment
  2. Receive high-quality graphs that outline your sleep patterns throughout the night for a visual understanding of your sleeping habits
  3. Did you drink caffeine before bed? Do you go to bed at a consistent time? With Sleep Notes, jot down thoughts and ideas about your sleeping patterns

Reviewed by Katelyn on February 5, 2018

  • Alien technology!!! Dec 5, 2017

    By MiSteve1
    I love waking up early but I struggle so much actually doing it. I literally set about 5 alarms to try to get myself out of bed. And if I don't set an alarm (because I read your body will wake itself up when it has had sufficient rest) i sleep for 10-12 hours. My first night using this app I was a little weary about if it would actually work. I set a few other alarms after when it was supposed to wake me up just so I wasn't late. BUT IT WORKED! It went off about 6:20 because I said I wanted to get up between 6:15 and 6:45 and I woke up turned it off and was expected to fight myself to stay awake like norma. This didn't happen. I felt perfectly rest and felt like I had energy all day. I fell like this app is some kind of alien technology used to give me more sleep in order to prepare me for a study they are doing. Or that this is the technology Batman used in order to only have to sleep 2 hours a night. Even if you are skeptical I would say try it out. I haven't used the premium features that you have to pay for, and with only using the free section this is my opinion. Try it! Just seize the opportunity to easily wake up in the morning. Or spend thousands of dollars on a new mattress. I guess it's your choice.
    more
  • A Life Saver Sep 15, 2018

    By canipleasejustsum
    Am I a morning person? No, absolutely not. Alas, I have a full twelve hour schedule that requires me to be up and ready pretty early in the morning but actually waking the hell up? My body thinks that’s a hilarious concept. I’m naturally a very deep sleeper, but I’m also a night owl who prefers staying up late, so often times I’ll find myself in bed from anywhere between 10:30 pm - 12:00 am and then I’ll have to wake up at about 6:30 am so I can properly get ready for school and then work afterwards. As a college student with 17 credits it’s very hard to not be tired. I decided I needed something to help me wake up easier, since sleeping through alarms or waking up a bleary mess and falling back asleep was just not working for me. I gave this a shot as a last ditch attempt and what would you know? It worked. I just used this app once, last night at the time of writing this and boy am I satisfied. I didn’t think it would work on me to be entirely honest, but it did and I woke up feeling a lot better than I would’ve with an alarm jolting me awake. This alarm is gradual and soft and even when it’s time for you to wake up it doesn’t fee invasive and obnoxious. I’m looking forward to using it continuously!
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  • Oct 12, 2020

    By rebecca arezki
    I love this, gives me the info I need about when I am waking, snoring, etc. I like that there are different things you can listen to to lull you to sleep, as well as the time limit for it to play. I check the information every single morning. It pairs up with my fitbit, which is awesome.
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  • Five-star app with one small shortcoming Mar 13, 2018

    By eyv
    What can I say; it’s the best sleep tracking app in the App Store! Great set of features, very VERY accurate (audio tracking), good HealthKit integration, heart rate support, etc. A few minor bugs linger, mostly due to daylight savings time (UGH!), but not a big deal. One suggestion: why not allow heart rate optionally when falling asleep as well, rather than when just waking up? I know there are other dedicated apps for this, but seeing as the functionality is already built it, it seems like a natural extension of the sleep-wake “workflow”. One real complaint (and the reason I rated 4 rather than 5): the inconsistency in the subscription model. I don’t mind paying for continuous cloud service, because it is a continued investment to run. However, for us early adopters, charging full price for sync seems odd — we paid for the app when it came out, so if there’s no discount for sync, it’s as if we wasted the money buying the app, and have to pay the same yearly amount as those who got the app for free. Again, I don’t mind paying for a service, but I would prefer a discounted price. I know early adopters are only a small part of the user-base, but we do still exist! ;)
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  • Great potential but no support - update Sep 22, 2017

    By Windwaves77
    When trying to add a sleep note using the "edit" function after the sleep session has been completed the app rejects the note due to a "network error" -- the app doesn't provide a way to obtain direct online support even for a premium user, which I am. However, I went through the process of submitting a query and there was no response until I posted this negative review...then I received a nice email from the developer suggesting that "I needed a wifi connection and to restart the device" lol Well he didn't know what my knowledge base or that I was a "power user" so that's a minimal response but understandable... I guess. He did offer to follow up if I still had a problem and now I have a direct email address to the developer. Awesome right? Great service and was about to give 5* to the app and kudos to the developer. I responded that I'd already checked both out right away before contacting the company. No response again a month later. So I'll keep the one star rating for absence of responsibly addressing a functionality issue, though admittedly a minor part of the utility of the app.
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  • Oct 6, 2020

    By Justin W
    The microphone tracking is a great idea and seems well implemented, but there are two issues that baffle me that are easily fixed: 1) I often wake up early and want to know if I've gotten enough sleep. Show me. Why make me remember what time I went to bed and calculate? 2) It knows when I'm awake or asleep based on the microphone data so why doesn't it subtract out the time I was not sleeping? "In bed" time should be a second, less-important metric. Time actually asleep is more important.
    more
  • Really solid Jul 23, 2018

    By DCpdx
    The app is great, I’ve had it for years. I don’t have a ton of confidence in the accuracy of their claim for your sleep efficiency each night, but it’s probably not far off. What I love most is the snooze...it senses you tapping the phone to activate snooze! So you don’t have to grab your phone and try to find a brightly lit little button in a dark room when you don’t want to b opening your eyes—just physically tap the phone anywhere! In fact, I just tap my nightstand and that is enough to silence the alarm for the snooze! My one big complaint, however, is a change that was made a couple months ago. Now you have to unlock your phone to turn it off. It used to be that the screen would dark all night, but it wouldn’t be locked, so when the alarm goes off in the morning you just see the app with an off button. But now, the phone auto-locks, so in the morning when it’s time to turn off the alarm, all you see are all the notifications on the lock screen that came in all night. So you have to fight those to get to the unlock, where you can get to app to turn off alarm. Super annoying. It ruins an otherwise nice experience, and does so at the worst time: when you are waking up in the morning. (The developer said this due to a change in policy from Apple, and they’re working on a fix. Let’s hope one comes soon!)
    more
  • Oct 5, 2020

    By Oren Savidor
    Since I started using this app I can't even think of going back to using a regular alarm. It completely transformed my mornings. It takes time for the app to study your sleep cycle and it woke me up from deep sleep more than once or twice. It also drains the battery if the phone is not connected to the power source which is a bummer since it's really not healthy to charge the phone next to your head when you sleep.
    more
  • Oct 4, 2020

    By Arne Vanderlinden
    Better than a regular old alarm, been using this for a while and its really insightful to be able to see statistics about your sleeping habits. I paid for further access but would like to see new content being produced in terms of sounds, its been the same since i've installed it and I feel like the variations help a lot to make falling asleep more fun, so new sounds would be greatly appreciated. 👍
    more
  • Oct 12, 2020

    By Alexander Olson
    Statistics tab used to be free, but now it's only part of the premium. It just hangs out as a tab on the home screen telling you that you can't use it unless you give them $30. Neat. Other than that, great alarm clock for waking up, 10x better than the loud and annoying one preset on my phone's clock
    more
  • Oct 10, 2020

    By QuickSkinner
    Bought this app when it was a 1 time purchase but have since stopped using that account. When i went to use it again, its now behind a paywall. Seems like going down the fitbit avenue is better until they lower the price a bit. Also the microphone option doesnt work very well. Says i was asleep last night at 4am. But i didnt even try to get to sleep til 4.15, and even then i didnt get to sleep til after 5. Have got 2 more days left of free trial. Will try accelerometer then probobly try a different sleep tracker.
    more
  • It’s ok. Mar 1, 2019

    By Smithnyla
    I’ve had insomnia for years. I really wanted to use this app to track my sleep and habits before bed that influence my sleep. In general, I like the app. I think it is priced too high annually for what you get. I did buy the premium subscription when it was on sale. I would rate the app higher if I was able to manually enter my own before bedtime times and my own wake up notes, as opposed to being able to select options from the pull down menu. For instance, alcohol use is known to influence sleep. It would be nice if I could record that I had a glass or two of wine before sleep? Or note that I woke up naturally, without an alarm. Or note that I had extra sugar (chocolate/dessert) before bed, and then woke up the next day with joint pain. There is no where to add personalized notes and I would like to be able to log all the factors that contribute to sleep or lack thereof so I can track everything and discuss with my doctor. Also, under “sleep medicine) I would like to be able to note what I used to fall asleep (I.e. over the counter, prescription med, melatonin, CBC oil or Zzzz). Conversely when I wake, we’re there other factors to record? Am I traveling and sleeping in a different bed? Did the temperature in the room have anything to do with better sleep or lack thereof? All in all, good app. Just needs some tweaks to allow for better personalization.
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  • Oct 4, 2020

    By Mr. Wither
    It's great but I sleep in the same bed as my wife and two dogs. It appears to pick up their movement and noise at night/morning which adversely impacts my "wake-up" time. I can't imagine the app's premium features fix this issue so I have a hard time recommending this app to anyone, let alone purchase it myself.
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  • Changes with Sleep Aid and Alarm Flaws Apr 8, 2018

    By DigitalDCH
    I generally like this app, but there are certain flaws that drive me crazy! One of them is that occasionally (1/75 nights at most I would guess) the alarm never goes off. My phone did not restart during the night, and the screen isn’t even off. Once I wake up and move my phone it will start going off, but nothing at all before that, which is incredibly annoying, and has now forced me to add another alarm to make sure that at least that one will go off if SleepCycle fails. The second issue is more of a minor annoyance, and although I don’t claim to know anything about app development, seems super fixable. The sleep aid option used to have an “all night” option, but now the longest you can have it on is 90 minutes. That’s not a huge problem at my dorm because I have a white noise machine, but whenever I go home or travel anywhere it’s super annoying because I either have to use a different app to produce white noise on my phone (which interferes with the microphone-based sleep tracking) or buy a white noise machine to travel with. It just seems like an issue that is so easily fixed, and such a no-brainer, because some people (myself included) will wake up in the middle of the night and not know why, only to realize that the noise turned off!
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  • Heart rate at wake-up still unreliable Jan 11, 2018

    By ReverendDude
    For the most part, the app works pretty well. I was dismayed to see that when they updated the app to work with inductive charging positions (I.e., the phone is face up), there was no clear indication to not put the phone to sleep. I put it to sleep the first few nights because I wasn’t used to seeing the backlight on constantly (I have an 8 Plus) and awoke to see a slew of notifications saying I needed to wake my phone. While that’s not a huge deal, I found zero documentation. Also, the update for 8 Plus heart rate monitoring at wake up still rarely, if ever works. I will sit there for at least 90 seconds with my phone starting to heat my finger with the flash because it still won’t accurately pick my heart rate up. My display will go to sleep at least three times all the while, which is useful when I’m super groggy. Needless to say, I turned the heart rate feature off. It’s been smooth other than that. One remaining question is that when searching the help docs on the app, there’s no link to contact the developer. I’d never noticed that until I tried looking for ways to alleviate the problems noted above. That seems pretty “meh” for an app I have to pay for every year. I also pay for the Life Cycle app too.
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  • Really good Jun 3, 2020

    By mblling
    I like it’s softer alarm sounds to wake me up. It’s nice to know if you snore while sleeping, and most of the time the sleep cycle thing looks accurate. I find that it’s really off in when you fall asleep (saying I fell asleep immediately even though I stayed up longer) or in waking up (says I was sleeping soundly until the alarm but In reality I was just awake and relaxing) I’ve never really found it to follow any scientific knowledge to wake me up, it just gets me up either at the first minute of my window or the last minute, but that could possibly be due to the fact that I don’t have a bedside table and sleep with it on the windowsill next to my bed. There’s also, I haven’t figured out why, this thing it does sometimes where the alarm doesn’t go off at all, and it just gives you a little silent “good morning!” Notification if you set it up to wake at a certain time. Obviously this doesn’t wake me up. I’ve been lucky enough to just naturally wake up about 10 or so minutes after my alarm each time, but it’s dangerous if you wait until later to wake up. I also haven’t found a way to set it to just repeat on its own every night, you have to manually tell it you’re sleeping now and set an alarm every night. So, I would say this app is good if you want a gentle alarm to wake you up for things you want to do in the morning sometimes, but not good if you need it for important things you’re waking up for.
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  • Oct 2, 2020

    By Josef H.
    It's not a bad app at all but in order to access statistics and other features, you need to pay hundreds of euro, depending on how many years you're going to use the app for. They ask for 30 euro every single year, so the app is never yours. I call this greediness. Sleep As Android is a much better option. You pay and it's yours forever.
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  • Oct 9, 2020

    By Denis Jefferies
    Still not working properly it's a shame cus it was great when it worked on Android Sleep graph still all jerky even after several updates ! Used to work great but not since Android 10 update. Readings jump about all over the place even in complete silence. I have contacted customer support and been told they are working on it .
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  • Too many inconsistencies Jun 19, 2020

    By Writerinfact
    This is an edited review. The longer I have used Sleep Cycle, the more I question the validity of the so-called analyses of the free product. If I go to bed at 02:00, apparently fall asleep almost instantly, and sleep apparently without any waking incidents until the cat pats me awake at 07:09, there would appear to be an inconsistency when Sleep Cycle reports an 18-minute delay between going to bed and falling asleep, with an additional 35-minute loss of sleep that is not verified by the graph, which shows no wakeful high plateaus - not at the beginning, and not at any other period of the night, including the approach of morning awakening. In addition to these repeated inconsistencies - if I, a math-challenged English major, can see the math errors committed by this app, then there are programming issues. Computers, after all, do exactly what they’re told to do - there is the snoring issue. I won’t claim the cat did it. And since I do snore when not using the CPAP machine, I also listen to the sample recordings. They most often do not replay snoring, which has a distinctive pattern. Sleep Cycle records air hiss from the CPAP and calls it snoring. Remarkable. I am actively looking for a more accurate and effective sleep tracking app.
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  • Good concept, poor functionality Jul 2, 2019

    By Jamian13
    I wanted to love this app both for myself and my patients as a psychiatrist with a lot of patients with sleep problems. I was really excited reading about it online and hoping to use it to track my sleep to use with a CBTi program that requires knowing how long it takes to fall asleep and how much time one spends awake in the middle of the night but also avoiding looking at the clock. In theory this app would be perfect for that. The first couple of nights seemed to do just what I hoped. But after that I realized it wasn’t registering about half the times when I actually woke up and got out of bed. I tried taking the phone with me as suggested in the app help and it still didn’t register these wakeful episodes half the time. I also use meditative breathing techniques while trying to fall asleep and it seems to register that as sleep because there have been nights where I know it took longer to fall asleep than the app shows. Too bad. For myself I’ll probably invest in one of the ring-based sleep trackers but that will be more expensive than what most of my patients can afford so I’ll still be on the lookout for a reliable affordable sleep tracker.
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  • Oct 4, 2020

    By Ben Wagner
    Ever since the new Android update in late September 2020 (Android version 11 I believe) it no longer records my sleep movements. I've tried cleaning my microphone, using the accelerometer, and updating the app. Since the whole reason I used this was to wake up at the end of a sleep cycle, it's pretty much useless now. It was great when it worked.
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  • Doesn’t do the job. Jul 6, 2018

    By Positively Annoyed
    After a month of premium (paid) service this ‘Sleep Cycle’ app isn’t working, and there isn’t any way to contact the app developers. I set the app to start recording my sleep and set down my device in the very specific way requested, with it plugged in even, and at some point during my sleep it turns off and records nothing. Last night it recorded 1.5 of the 8 hours I actually slept. I can’t edit to correct a specific sleep cycle. I can’t create records that have only basic information, like how many ours I slept. I have many night that have gone unrecorded and that is the information that goes into their stats. Stats based on incorrect information are useless! So what exactly does ‘premium’ service get me? Nothing. Who cares if I have bad and incomplete information backed up? All the other stats I can easily look up on my own, for free. Don’t buy the premium service. It is a complete waste of money. I also tried ‘Life Cycle’. It doesn’t track well. You have to fill in a lot of information and that is pointless when the map location is incorrect and, again, the app doesn’t allow you to edit or correct their mistakes. Incorrect information is useless. Neither app is worth paying for. Response to app developer response: why would you think I hadn’t already tried the simple ideas? I did that. I rebooted my device as well. None of the easy-fix options have helped. If they had a review like this would just be petty instead of helpful to others.
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  • Used to be great, but went to garbage Oct 25, 2019

    By Olushka
    I have had this app since 2011. I loved it and recommend it to everyone I knew. Regretfully, starting with the last major update, it has gradually undone all the things I fell in love with. 1. User Interface. It’s been about a year since it was changed, and I still cannot get used to the new clunky cartoonish UI, which apparently was designed by a toddler. The sophisticated slick and polished user interface, no more. I figured OK, it’s just a form, let’s focus on substance. Well... 2. The reliability of the analysis and features went down the drain. The app shows me as being asleep, when I am not, and vice versa. In fact it will show things like snoring and being awake at the same time. Really? 3. Woke me up randomly at 3:30 am instead of 6:30. I kept snoozing it, wondering why I just can’t wake up, to finally open my eyes and see 3:45 on my alarm. HOW? I know I did not make an error. The alarm still shows as being set for 6:30. The only thing I can think of is that I came home from a location with a different time zone (3 hours early) that day. Was this the cause of screwed up internal sleep cycle clock? But cmon. When I set the alarm the night before, the current and the wake times were shown correctly. Needless to say, I could not go to sleep after, and was off my game the entire day. Ironic, that the app you get to help your sleep, ruins it for you. I am uninstalling and moving on to other apps. Done with this nonsense.
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  • So disappointed Dec 22, 2018

    By Asdfかう
    I’ve had this app for years and relied on it to wake me up on time and give me insights on my sleep quality with little to no problem. And it did just that, until recently. I set the app’s alarm one night, as usual, and went to bed. When I woke, I realized that I overslept when this app alarm was supposed to wake me. I briefly considered the possibility that I set the wrong time for my alarm. So I open the app and what I found bewildered me. Not only did it seem like the app wasn’t tracking my sleep at all the previous night, but ALL of my sleep data was gone. Erased. Years of insights wiped from memory. But I thought, “this app is still a good alarm to wake up to” so I used it to set an alarm for the next day. I fall asleep that night and wake up. The sun is shining through my window. That’s my first clue that something is off. I set my alarm for 5 am, when the sky is still dark. So obviously, I overslept again. I open the app, trying to find some acceptable reason for me not waking up to it, hoping that I was doing something wrong and that this app that I’ve trusted for years wasn’t suddenly malfunctioning. Unfortunately, it was the app. Once again, it didn’t seem to be analyzing my sleep patterns and no insights from my recent rest appeared. To top it off, this was the second day in a row that I woke up late for work. This app has disappointed me in so many ways. The only positive thing is that I didn’t spend any money on this. Do not download.
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  • Oct 13, 2020

    By S Attewell
    Doesn't always record analysis. Some mornings you turn the alarm off (the alarm that is part of this app) and it simply does nothing instead of displaying your sleep record. It seems random as to when it works. In particular when you turn the alarm off and it goes to snooze (another glitch) it fails to record.
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