May as well get a mood ring: smartwatch "useless" for measuring stress
A study published in the Journal of Psychopathology and Clinical Science finds that smartwatches purporting to measure stress do not do so accurately. This news isn't going to help Garmin Vivosmart 4 wearers relax.
We investigated the concurrent overlap between self-report and wearable sensor data measuring stress, tiredness, and sleep.…
