Apple Watch users have been seriously impressed to discover a new app that ‘knows they’re sick’ days before they show any symptoms.
Apple fans can’t believe how one of the new features works after the recent watchOS 11 update rolled out.
A new app has caught the attention of people on social media and is available to use on Apple Watch series eight or later.
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The feature is called Vitals and has been added to the watch along with the OS update.
However, a lot of people weren’t aware of what the app actually did until it started causing a stir on social media.
Many assumed that it was a heart rate app but that’s not all Vitals does.
It does show you your key health metrics but it also gives you a ‘deeper understanding of your daily health status’.
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According to the App Store, this includes monitoring your ‘heart rate, respiratory rate, blood oxygen, wrist temperature, and sleep duration from the previous night’.
That means that it keeps monitoring these figures if you keep it on in your sleep, leading to one Reddit user making a huge realization.
It turns out that the app can tell you when you're starting to get sick - something that could come in handy for a lot of people, especially this time of year.
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One Reddit user shared: “Woke up today feeling off. Now as the evening is setting in, I am feeling that old familiar feeling in my head. I’m sick,” while posting the above screenshot from the Vitals app.
It revealed that there were three ‘outliers’ in his wrist temperature, as the metrics fell out of its usual range, signaling that something was up.
Users were shocked when they shared the news, as one commented: “I didn’t even realize the Apple Watch measures wrist temperature until seeing this post…”
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A different user said that they had the same experience: “Mine too, I’m still sick but watch noticed before I did.”
A third user shared: “I started using Vitals when it first came out on the beta and since then I’ve gotten sick about twice. Both times it knew a couple days in advance and I hadn’t felt anything wrong.
“Kinda insane how useful this feature can be.”
Despite its usefulness in detecting illness from time to time, it shouldn’t be used as the be all and end all to treat medical conditions.