The Redmi Watch 5 Active, like other smartwatches in the Redmi series, is capable of tracking sleep patterns, including different stages of sleep. To enable advanced sleep monitoring, users can access the sleep app on the watch, toggle on the "Advanced Monitoring" option, and the watch will track various sleep stages such as deep sleep, light sleep, and REM sleep[1][6].
However, the accuracy of differentiating between REM and deep sleep stages can vary. While the Redmi Watch 5 series is praised for its affordability and feature set, including sleep tracking, the precision in distinguishing between specific sleep stages like REM and deep sleep may not be as accurate as professional sleep monitoring devices. This is because consumer-grade smartwatches typically rely on heart rate and movement data to estimate sleep stages, which can lead to inconsistencies[5].
In comparison, studies on similar Xiaomi devices, such as the Mi Band 5, have shown that while they can be useful for monitoring sleep patterns, they may overestimate certain stages like deep sleep and underestimate others like REM sleep[3]. Therefore, while the Redmi Watch 5 Active can provide insights into sleep quality and stages, it may not offer the same level of precision as more specialized sleep tracking devices.
To maximize the accuracy of sleep tracking on the Redmi Watch 5 Active, users should ensure that the watch is worn snugly and that the advanced monitoring feature is enabled. Additionally, reviewing the data through the Mi Fitness app can help users gain a better understanding of their sleep patterns over time[1][6].
Citations:
[1] https://www.youtube.com/watch?v=7pZSB1n8gN8
[2] https://www.youtube.com/watch?v=MFLAkM1RJNY
[3] https://pmc.ncbi.nlm.nih.gov/articles/PMC10238963/
[4] https://www.mi.com/global/product/redmi-watch-5/
[5] https://www.reddit.com/r/Xiaomi/comments/snn2m1/inconsistent_sleep_tracking_mi_watch_color/
[6] https://www.youtube.com/watch?v=WpKqWZfIH2A
[7] https://www.mi.com/pk/support/faq/details/KA-38278/
[8] https://androidguys.com/reviews/redmi-watch-5-lite-review/