SLEEPINESS

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Trials to join now! 2 Not yet recruiting 1 Not yet finished but already full! 1 Completed 1

Saliva swab could spot drowsy drivers before they crash

Knowledge-focused Completed

This study looked at whether chemicals in saliva can show when a driver is dangerously sleepy. Over 500 drivers stopped by police in Belgium gave a saliva sample and reported their sleepiness level. Researchers hope to find a biological marker that could one day be used to preven…

Matched conditions: SLEEPINESS

Sponsor: University of Zurich • Aim: Knowledge-focused

Last updated Jun 27, 2026 12:00 UTC

SLEEPINESS

Get alerted when new SLEEPINESS trials appear

Saliva swab could spot drowsy drivers before they crash