How Smartwatches Can Track Circadian Rhythm Disruptions to Spot Depression

Summary: A joint research team from KAIST in Korea and the University of Michigan has developed a smartwatch-based technology to track circadian rhythm disruptions and predict symptoms of depression. This data filtering technology creates a “digital twin” of the circadian clock, enabling predictions of mood changes and depression-related symptoms such as sleep disturbances and appetite…

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Sleep Apnea Treatment Helps Prevent Car Accidents

Summary: A study published in Otolaryngology–Head and Neck Surgery analyzed data from over 2.8 million patients with obstructive sleep apnea to examine the effects of different treatment methods—surgery, CPAP therapy, and no treatment—on the risk of motor vehicle accidents. The findings revealed that patients who underwent surgery had the lowest risk of car accidents compared…

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Experience Buffers Financial Analysts from Sleep-Related Performance Drops

Summary: New research published in Management Science reveals that sleep disruptions, such as those caused by daylight saving time, impact financial analysts differently depending on their level of experience. While novice forecasters see significant reductions in the accuracy of their earnings-per-share predictions after sleep loss, experienced analysts remain largely unaffected. The study highlights how expertise…

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Self-Reported Sleep Quality Often Contradicts Objective Data

Summary: A study highlights a significant mismatch between subjective sleep perceptions and objective sleep measurements using in-home EEG devices. Researchers found that 66% of individuals who perceived poor sleep had no objective sleep issues, while 45% of those who reported sufficient sleep were potentially sleep-deprived. These findings emphasize the limitations of relying solely on self-reported…

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