The Apple Watch Series 5 may not have brought the native sleep app we've been waiting for, but the fact remains that you can still track your sleep with the smartwatch.
We anticipate the next Apple smartwatch - expected to arrive in September 2020 - will be the first of the series to automatically track sleep, but, for now, there's a raft of free and paid-for third-party to try out.
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Ready to analyze your sleep with the Apple Watch? We've tested and ranked the top eight options for you to download.
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¬£2.99: Download AutoSleep
This is our favorite of the bunch, as it stands. As the name suggests, AutoSleep's key feature is that it works automatically, unlike many of the other sleep tracker apps that require you to tell them when you're getting into bed.
AutoSleep takes the thinking out of the process, but it's also good when it comes to accuracy. When put up against a dedicated sleep tracker, it produced close results, but you can tweak the sensitivity for better accuracy.
Free: Download Sleep++
Sleep++ is one of the most popular Watch sleep apps on the App Store, with one of its biggest selling points being its simplicity.
The app is incredibly bare-boned, showing you a start button, stop button, and a little blue chart to display your sleep patterns. And that's it.
Like AutoSleep, it can also write your sleep data to Apple Health and will automatically log sleep when activated on the companion iPhone app.
Free (in-app purchase for premium): Download Pillow
The first thing that struck us about Pillow was how vibrant it looked, but it's not a bad little sleep tracker, either.
It uses a combination of movement, sounds and hear rate to follow your patterns, and presents the data in gorgeous, easy-to-read charts.
Like the two options up top, you can now also automatically track your sleep, letting you see your sleep reports and analysis when you wake up, including sleep breakdown and stats - like time spent in bed.
There is a premium subscription option that also gives you access to features, like sleep aid programs and the ability to view weekly, monthly and annual trends.
¬£2.99: Download HeartWatch
HeartWatch is a neat app that really digs into your heart rate data, and provides alerts if it notices any unusual, potentially concerning, activity.
It also tracks your sleep, overlaying the HR data on top, so you can see your waking and sleeping heartbeat, and how they compare to your regular beats.
The iPhone app could do with being a little less cluttered, but, if you're particularly interested in the relationship between your heart rate and sleep, this is a great little app. We've found accuracy on it to be pretty good, too.
5. Sleep Watch
Free: Download Sleep Watch
Another on-watch app for tracking bedtime slumber, Sleep Watch automatically keeps tabs on the time, heart rate and stages of your sleep.
It looks for dips in your heart rate that the makers suggest correlate with more restful sleep, and will give you a score based on the quality of your nighttime hours.
You'll also get daily briefings and sleep trends over time, making it a powerful app for Apple Watch users, with even more advanced tracking options, like heart rate variability, monitored if you take out a premium subscription.
6. Sleep Pulse 3
¬£3.99: Download Sleep Pulse 3
Sleep Pulse 3 is a fully-featured sleep app for your Apple Watch that does most of the work itself.
It'll track your heart rate and motion, and there's a sleep view you can take a look at when you randomly wake up in the middle of the night. This will show you your resting heart rate, as well as how long you've been sleeping.
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There are also ways to track naps and record sleep talk. Best of all, all the sleep analysis is done right on the Watch, not on your phone.
It's also been updated to better work with the Apple Watch Series 4 and Series 5, too, so it's better optimised for those bigger screens and pairs with Apple's Infograph and Infograph Modular watches faces, letting you see recent sleep data from your watch face.
7. Sleep Tracker by Sleepmatic
¬£1.99: Download Sleep Tracker
If Sleep Tracker looks familiar, it's because it does. It looks almost exactly like Fitbit's sleep interface, and the app - by Sleepmatic - is unapologetic about it all.
It sells itself as Fitbit sleep tracking for Apple Watch, though there are some differences. You're not going to get REM sleep here, but you will get automatic sleep tracking for both overnight sleep and daytime naps.
Plus, you can see how much sleep you got last night in a handy complication.
9. Beddit Sleep Monitor
Free: Download Beddit
Owned by Apple, Beddit is one of the best sleep tracking companies out there. Its Apple Watch app, however, doesn't actually do the tracking, instead relying on the sleep monitor sensor you'll need to buy.
What the Watch app does do, however, is track and recommend daytime naps.
Yes, this is a daytime sleep tracker. It can take a look at your sleep score, recommend a quick 30-minute power nap after lunch and off you snooze. It'll wake you up with a silent alarm and update your sleep score.
Just be aware that Beddit's cloud storage has now ended, which obviously makes its older devices much less helpful.
The silver lining within that, however, is that Apple/Beddit launched the Sleep Monitor 3.5 - perhaps signalling that the company is gearing up to prioritise its sleep tracking efforts.