Who doesn't love data, especially their own? With that thought, over the years I have owned several activity trackers, including at least two Fitbits, and I frequently check my iPhone to see how far I've walked or how many steps I have taken.
David Neubauer, MD, is a psychiatrist at the Johns Hopkins Sleep Disorders Center."Sleep tracking devices are more than just toys but less than medical devices. They do have clinical utility and might show findings that warrant further medical workup," Neubauer said."It is impressive that these devices estimate sleep as well as they do, but there is a problem with how they divide sleep stages that can lead people to believe their sleep is worse than it really is.
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