related sleep disorder« Back to Glossary Index
In people with certain disorders other than IH, excessive daytime sleepiness and/or long sleep times are commonly present and can be very similar to that seen in idiopathic hypersomnia. These disorders (hypersomnias) include narcolepsy types 1 and 2, Kleine-Levin syndrome, and hypersomnias associated with certain other disorders. Because current treatments for these disorders are very similar, and current research indicates that there may be significant overlap among them, it is important to address and research them together. For more details, please see About Related Sleep Disorders and Classification of Hypersomnias.