Non-24-hour sleep-wake syndrome
Synonyms: Hypernychthemeral syndrome
A rare neurological disease which 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.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2024
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Non-24-hour sleep-wake syndrome?
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Advocacy Organizations
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
FamilieSCN2A Foundation
"Families" is part of our name for a reason. Rare and devastating, SCN2A-related disorders affect the entire family. Our VISION is a world with effective treatments and cures for all SCN2A-related disorders. Our MISSION is to accelerate research, build community and advocate to improve the lives of those affected by SCN2A-related disorders around the world.
Moonshots for Unicorns
Curing single-gene disorders
Project CASK
To fund research for treatment and/or a cure for CASK Gene Disorder
Clinical Trials
For a list of clinical trials in this disease area, please click here.