Can anyone explain why Apple Watch sleep tracking accuracy misses the hours I spend wide awake staring at the ceiling?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can anyone explain why Apple Watch sleep tracking accuracy misses the hours I spend wide awake staring at the ceiling?
1 real search · 1 real-search pass
Apple Watch sleep tracking awake but lying still accuracy actigraphy limitations Apple support sleep stagesGoogle ↗
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). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
Apple Watch sleep tracking awake but lying still accuracy actigraphy limitations Apple support sleep stages Google ↗
- Estimating Sleep Stages from Apple Watch · apple.com
- Estimating Sleep Stages from Apple Watch · images.apple.com
- A performance validation of six commercial wrist-worn wearable sleep-tracking devices for sleep stage scoring compared to polysomnography · pmc.ncbi.nlm.nih.gov
- Apple Watch Sleep and Physiological Tracking Compared to Clinically Validated Actigraphy, Ballistocardiography and Polysomnography · pubmed.ncbi.nlm.nih.gov