'The assessment and estimate is based on any of: sleep quality, electronic calendar, biometrics, blood pressure, pupil dilation, facial expression analysis, the time an individual woke up in the morning, and gesture analysis,' the document states.
The dilation of the vessels to compensate then led to the throbbing pain, so the thinking went.
MYTH #4: PUPIL DILATION OCCURS ONLY IN RESPONSE TO CHANGES IN LIGHT.