Non-24-hour sleep-wake syndrome
MONDO:0019137Non-24-hour sleep-wake disorder (non-24 disorder), also known as hypernychthemeral syndrome, is a circadian rhythm sleep disorder characterized by non-synchronization to a 24-hour day leading to insomnia and daytime sleepiness with sometimes severe associated manifestations.
Also known as: Non-24-Hour Sleep-Wake Disorder, circadian rhythm sleep disorder, free running type, circadian rhythm sleep disorder, free-running type, hypernychthemeral syndrome, non-24, non 24 hour sleep wake disorder
30 clinical trials for this condition and its sub-types, 2 tagged with Non-24-hour sleep-wake syndrome itself.
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Could your blanket track your sleep? smart duvet tested in sleep lab
Diagnosis OngoingThis study tests a new 'intelligent duvet' called Easy Sleep Monitoring (ESM) that uses built-in sensors to detect movement and estimate sleep. Researchers will compare its accuracy to standard sleep lab tests (video-polysomnography) in 50 people, including those with sleep disor…
Sponsor: University Hospital, Clermont-Ferrand • Aim: Diagnosis
Last updated Jun 27, 2026 07:52 UTC
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Can sleep coaching help firefighters get better rest?
Symptom relief By invitation onlyThis study tests whether a sleep health coaching program, based on cognitive behavioral therapy for insomnia, can improve sleep in firefighters who have trouble sleeping. About 400 firefighters from 20 fire agencies in Arizona will take part. Half will receive the coaching progra…
Phase 4 • Sponsor: University of Arizona • Aim: Symptom relief
Last updated Jul 18, 2026 00:00 UTC