Synonyms: CSWS | CSWSS syndrome | Continuous spikes and waves during slow-wave sleep | Epileptic encephalopathy with continuous spike-and-wave during slow sleep
Continuous spikes and waves during sleep (CSWS) is a rare epileptic encephalopathy of childhood characterized by seizures an electroencephalographic (EEG) pattern of electrical status epilepticus in sleep (ESES) and neurocognitive regression in at least 2 domains of development.
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 2026
Newly diagnosed with
Continuous spikes and waves during sleep?
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Advocacy Organizations
Genetic Epilepsy Team Australia
Collaboration of research and care
KIF1A.ORG
KIF1A.ORG is a global community dedicated to improving the lives of those affected by KIF1A Associated Neurological Disorder (KAND) and accelerating research to find a cure.
Mickie?s Miracles
To help families get into Level IV Pediatric Epilepsy Centers for diagnosis and treatment urgently -- and provide support to families for every season of the pediatric epilepsy journey.
Rare Epilepsy Network (REN)
Improving outcomes of people with rare epilepsies through an innovative collaborative infrastructure that drives urgent, patient-centered research, educaiton and advocacy.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.