About this app
STF Sleep Research is a concise app that can track paired wearing equipment data. The app will help Stanford University researchers to study Sleep Sciences. Attention: - After you authorize, you can sync your steps, sleep, heart rate, and other health data from this app to Apple "Health" app.
Latest release
What’s New
Fixed the problem that the device firmware upgrade failed
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 9:08 PM Free