Your Smartwatch Actually Has No Idea How ‘Stressed’ You Are
Garmin displays a real-time stress level from 0 to 100. Oura calculates "daytime stress" and resilience metrics. For Whoop, it’s the stress monitor; for Fitbit, a "stress management score." However it’s branded, some version of a “stress score” has become ubiquitous across smartwatches and wearables. This number is marketed as a window into our internal emotional state, turned into quantified proof of how our day is really going. The only issue: these numbers aren’t all that accurate.What your "stress score" actually tells youThe scores lighting up our wrists aren't measuring what most of us think they're measuring. When you check your smartwatch and see that your stress level spiked, you might assume the device somehow detected your anxiety about some direct stimulus, like a difficult con...










