Can a wakefulness drug help Early-Morning workers stay alert?
Symptom relief
Terminated
This study tested whether the drug solriamfetol (Sunosi) can reduce excessive sleepiness in people who start work between 3 and 6 AM. The trial planned to enroll 84 participants but was terminated early. Researchers measured sleepiness using a test that tracks how long people can…
Phase: PHASE4 • Sponsor: Charles A. Czeisler, PhD, MD • Aim: Symptom relief
Last updated Jun 27, 2026 07:51 UTC