New tool uses your smartphone camera to track your alertness at work

Our level of alertness rises and falls over the course of a workday, sometimes causing our energy to drop and our minds to wander just as we need to perform important tasks. To help understand these patterns and improve productivity, researchers have developed a tool that tracks alertness by measuring pupil size, captured through a burst of photographs taken every time users unlock their smartphones.

from Latest Science News -- ScienceDaily https://ift.tt/2J54xNY

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