How accurate is the Fitbit as a sleep tracker?

Doctors wary of patients' sleep data from activity trackers due to a lack of validation, say study authors

When a patient comes in with sleep times recorded on a Fitbit, doctors can now assume the device provides useful data, researchers say.

Fitbit sleep

One model of the Fitbit activity tracker is as accurate in monitoring sleep patterns as the more expensive research-grade actigraphs, write the Monash University study authors.

“Clinically, patients often show up at sleep disorders clinics with output from such devices, hoping their doctor can make sense of it,” said lead researcher Professor Sean Drummond, of the Turner Institute for Brain and Mental

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