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HeartRate.Tech's answer:
Breathing exercises
Very nice, easy to operate. Doesn't let your finger burn from camera flash like other apps. Does quick BP readings when access to appropriate medical equipment is constrained.
Using it on my iPhone (but it has also Android version, I know) for almost 1 year. In my experience, this app is quite accurate. I tested it with my beurer pulseoximeter while struggling with covid and measurements were just like the same, so I was impressed.
Based on our record, AutoSleep seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The Health app estimated that I got only 45 minutes of deep sleep in the same night that Autosleep estimated I got 2 hours and 48 minutes of deep sleep. Based on how I feel this morning, I am siding with Autosleep. Source: over 1 year ago
Http://autosleep.tantsissa.com/ - is the only Apple Watch sleep app with an inbuilt actigraphy export for sleep validation studies. It's why it is the favored sleep app used by clinics and universities around the globe. Source: almost 2 years ago
Autosleep gives pretty detailed insights into your sleeping pattern. Source: over 2 years ago
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