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Kleine-Levin Syndrome Foundation

a/k/a: KLSF


PO Box 5382
San Jose, CA 95150-5382





Email Address


The Kleine-Levin Syndrome Foundation (KLS Foundation) provides information and support to patients and families affected by Kleine-Levin syndrome (KLS); a rare disorder characterized by episodes of excessive need for sleep, excessive food intake, and altered behavior. The KLS Foundation exchanges information among patients, their families, and the medical community to help in the diagnosis and care of those affected by KLS. The goals of the KLS foundation are to raise awareness, support research, and find effective treatment and a cure for KLS. The foundation offers patient networking, education, and referrals to KLS patients and their families.

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