TG Alertness
Android app by Tyler Grange. Health & Fitness · Tyler Grange
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.3.0
- Listing last refreshed
- 2026-09-16
View the original store listing
Store description excerpt
The Tyler Grange Alertness app collates user inputs to calculate and predict an individuals' risk from the harmful effects of fatigue. It uses some mathematical wizardry to combine hours of wakefulness, sleep in the last 24 hours, the Stanford Sleepiness Scale, a reaction time test and circadian rhythm. All these factors contribute to how tired or alert we are.
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