SLEEPINESS

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Trials to join now! 2 Not yet recruiting 1 Completed 1

Spit test for sleepy drivers? study seeks road safety clues

Knowledge-focused Completed

This study aimed to find biological markers in saliva that could indicate when a driver is too tired or sleepy to drive safely. Researchers collected saliva samples and survey data from over 500 drivers stopped during routine police checks in Belgium. The goal was to see if speci…

Matched conditions: SLEEPINESS

Sponsor: University of Zurich • Aim: Knowledge-focused

Last updated Mar 30, 2026 14:32 UTC

SLEEPINESS

Get alerted when new SLEEPINESS trials appear

Spit test for sleepy drivers? study seeks road safety clues