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Apple Watch can finally get sleep tracking capabilities by 2020



  Apple Watch Series 4 on a wooden table.

Apple is gradually working to bring a feature to the Apple Watch that has been noticeably absent since the portable beginning: sleep tracking. According to a report by Bloombergs Mark Gurman, "People Familiar with the Work" claims that the iPhone manufacturer has tested a native sleep-tracking feature for its smartwatch in recent months. Apple plans to introduce the feature by 2020, probably in a new model of Apple Watch.

Despite tracking activity activity, swimming, ECG and more, Apple Watch has never had a natural sleep detection. It has been a long-term disadvantage for the laptop compared to some of its major competitors such as Fitbit's Ionic and Versa smartwatches. Almost all Fitbit's wearables track sleep, as are devices made by Garmin, Withings, and other health tech companies.

There are Apple Watch apps that track sleep, but they are all made by third-party developers. Apple is also no stranger to sleeping technique in general: the company bought Finnish Beddit in 201

7 and sells its sleep-tracking mattress sensor on its website.

I've previously asked Apple for sleep deprivation tracking on Apple Watch. Most of the vague responses I have been pointed out to preserve the balance between feature set and battery life – in short, Apple will not compromise the battery life of Watch. Currently, Apple Watch can easily last a full day on a single charge, and I have almost two days with Apple Watch Series 4.

But there's nothing compared to most Fitbit devices that track sleep that can last five to seven days on a single charge (depending on the device). According to the report Bloomberg Apple can accept a sleep-tracking feature by increasing the clock's battery life, which means that sleep tracking occurs during low power consumption or simply requires users to charge their watches in the morning.

I find the latter option unlikely because those who use third-party sleep tracking apps already have to do this if they want to use their Apple Watch for the whole day after tracking night's sleep. This is the default option, so Apple could have debuted a sleep-tracking feature already if it wanted to ask users.

The other two options are more exciting: Apple could try to keep a bigger battery in Watch or make other hardware components more effective to increase battery life. It already did in the series 4 with the new LTPO display technology used on the Watch screen, but these gains were offset by the increased power of the device (which resulted in approximately the same estimated battery life as the Series 3).

Apple Watch already has a low-power mode that helps preserve battery life, and I've used it overnight many times when I've forgotten my charger and want to use Watch the next day. Apple may find out how to make specific parts of the Watch work while using low-power mode, such as accelerometer and heart rate monitor, and use them to track sleep. Apple will want to enable Watch to track things like time spent in different sleep phases (light, deep and REM sleep) and time spent awake, as Fitbits devices do. Tracking most of these calculations requires the use of the heart rate monitor.

When iPhone sales slow, Apple has been looking for new ways to increase revenue in other parts of the business. The portable sector, which includes Apple Watch and other devices such as AirPods, has been strong in recent quarters. CEO Tim Cook has also mentioned health technology as an important part of Apple's future. Undoubtedly, new and expanded models of Apple Watch will be part of these plans.


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