Quote · TED Talks Daily
Why I’m obsessed with health wearables (and you should be too) | Michael Snyder | Your Body on Tech
Where this was said
The Sleep Score Placebo Effect
At 45:17 · chapter starts 45:05
Snyder describes research conducted by a Stanford colleague in which participants were given manipulated sleep score feedback — told they slept well even when they hadn't (and vice versa). The result: people functioned significantly better on days they were told their scores were good, regardless of actual sleep quality. [1] — Michael Snyder "Stanford research found that if you tell people they had a good night's sleep — even if they didn't — they function better that day. The ps…" 45:05 This finding unsettles the simple 'more data = better decisions' narrative, suggesting that for sleep at least, the psychological framing of the score may matter as much as the physiological reality it represents. Snyder takes a characteristically pragmatic stance: he knows he doesn't sleep well and finds value in having the data confirm what he already senses, but acknowledges that for many people the score itself becomes the reality.
Stanford research found that if you tell people they had a good night's sleep — even if they didn't — they function better that day. The psychological power of a sleep score can outweigh the underlying physiology, complicating how we interpret wearable data.
