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Hypersomnia

MONDO:0005466

A sleep disorder characterized by excessive sleepiness.

Also known as: hypersomnia, hypersomnia (disease)

59 clinical trials for this condition and its sub-types.

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Sub-types

Idiopathic hypersomnia (21) Idiopathic hypersomnia with long sleep time (0) Idiopathic hypersomnia without long sleep time (0)

Broader categories

Disease (618) Sleep disorder (420) Sleep-wake disorder (156) Human disease (14) Disease by developmental or physiological process (0)

Trials to join now! 22 Not yet recruiting 6 Not yet finished but already full! 4 Completed 26 Terminated 1

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