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@nacho_rebollo In general, baseline pupil diameter. The smaller the pupil, the more sleepy. But see this for a cautionary tale: https://t.co/3Su51BB7Vl
@nacho_rebollo In general, baseline pupil diameter. The smaller the pupil, the more sleepy. But see this for a cautionary tale: https://t.co/3Su51BB7Vl
Baseline Pupil Diameter Is Not a Reliable Biomarker of Subjective Sleepiness. https://t.co/WPXL3rrzIX
Baseline Pupil Diameter Is Not a Reliable Biomarker of Subjective Sleepiness: Inès Daguet, Didier Bouhassira, Claude Gronfier https://t.co/oEpEY1CfzU
RT @herf: Ok... so sleep pressure constricts the pupil, but only during the day, and what's left is a nice sine wave due to circadian time,…