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Researcher Hacks Nine Sleep-Tracking Devices To Test Their Accuracy

A determined researcher at Brown University extracted “the previously irretrievable sleep tracking data from the Hello Sense, from the Microsoft Band, and nine other popular devices,” according to an anonymous reader, “by decompiling the apps and using man-in-the-middle attacks.” Then they compared each device’s data to that from a research-standard actigraph. Their results?
The Fitbit Alta seems to be the most accurate among the other nine in terms of sleep versus awake data… Our findings tell that these consumer-level sleep reports should be taken with a grain of salt, but regardless we’re happy to see more and more people investing in improving their sleep.

Read more of this story at Slashdot.

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