My Fitbit says I slept eight hours but I feel exhausted. Is the sleep stage tracking actually reliable on these devices.
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
My Fitbit says I slept eight hours but I feel exhausted. Is the sleep stage tracking actually reliable on these devices.
1 real search · 1 real-search pass
Fitbit sleep stage accuracy validation polysomnography consumer wearable systematic review sleep staging accuracyGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model).
Searches and sources
ChatGPT1 real searches · gpt-6
Fitbit sleep stage accuracy validation polysomnography consumer wearable systematic review sleep staging accuracy Google ↗