shared a link post in group #Gadgets
Sleep-tracking #Gadgets (smartwatches, rings, apps) are widely used and increasingly sophisticated, but experts caution that their data should be interpreted carefully. These devices do not directly measure #Sleep ; instead, they infer sleep and sleep stages from signals like heart rate and movement, which introduces uncertainty—especially for detailed metrics such as REM or deep sleep. #Biohackers Connect
Researchers say modern trackers are quite accurate at detecting when someone is asleep, but only moderately reliable at estimating sleep stages. Clinical sleep studies conducted in labs remain the gold standard for precise measurement.
Clinicians warn that users often focus too much on single-night scores or granular stage data, which can be misleading. The devices are better suited for identifying long-term trends (e.g., consistently poor sleep after alcohol or late meals) rather than diagnosing sleep problems or judging nightly sleep quality.
Some users experience “orthosomnia", anxiety or obsession caused by tracking sleep metrics too closely. Experts advise that if sleep tracking creates stress or worry, it may be counterproductive, and users should consider stepping back or consulting a healthcare professional.
Despite these limits, researchers see promise in wearables as behavior-change tools and potential early-warning systems for health issues, such as infections or mood disorders, particularly when used thoughtfully and over time.
Bottom line: sleep trackers are useful for awareness and pattern recognition, but they are not diagnostic tools. Good sleep hygiene and professional medical advice matter far more than chasing perfect sleep scores.
https://abcnews.go.com/Te..
