Not only can this clever sensor detect your heart rate at any time, but it also knows when you are swimming, running, cycling, or moving from light to deep sleep. This is detected by a built-in optical monitor that uses photoplethysmography.
One of the main ways your body reacts as you move from light sleep to deeper levels of sleep and eventually the rapid-eye-movement (REM) stage is by changing your heart rate. Both of these features become exaggerated as deep sleep is achieved, with a much slower heart rate and virtually no movement. For example, when your heart rate drops slightly and your movement becomes more still, this is an indication of light sleep. This helps highlight restless periods at night.Īs you move into different periods of sleep, your motion is detected and fed back to the algorithm, which can determine with high accuracy which level of sleep you are in. First, the device makes use of an accelerometer and a gyroscope, both of which function on a 3-axis design, so any kind of movement is detected, even those slight arm twitches you have as you dream or when you roll over in bed.
SLEEP TRACKER BAND SOFTWARE
Packed with intelligent features, Mi Bands 5 and 6 have a range of sensors and software algorithms that work in unison to monitor your sleeping activity.
These devices will not only provide you with clear data on how you’ve slept via the Mi Fit app, but they also go the extra mile to tell you ways in which you can improve the quality of your nighttime regime. They have updated sleep tracking features compared to earlier models and have a better battery life to boot, making them great all-around devices. The Mi Bands 5 and 6 are the latest releases from the brand. This makes these bands a popular option for those looking to monitor their daytime activities and have the device track nightly activity, too. Thanks to a host of sensors on the small-yet-mighty Mi Bands 5 and 6, sleep tracking is not only possible, but accurate even without the use of sleep monitoring apps. While some of the big names like Apple and Garmin took quite a long time to develop the sleep tracking feature on their smartwatches, the Chinese brand Xiaomi had been installing this feature as standard on some of its earliest models as early as 2014.
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