Activity trackers are great for motivation, curiosity, and fun but specificity and sensitivity are suspect with respect to accuracy as health status screening devices. March 18, 2022March 18, 2022Dr. Barry Dworkin Medical Mythbusting Commentary for March 18, 2022 [display_podcast] Source:Do Sleep Trackers Really Work? Related posts: Human doctors still needed for now Tracking sleep patterns with phone apps or other similar devices does not necessarily lead to better outcomes. It is not up to children to use a weight-loss app to monitor their food intake. Who buys the groceries? Study tries to elucidate if instant-gratification apps like TikTok have a negative impact on a child’s attention-span development.