Hypersomnia is a disorder characterized by excessive amounts of sleepiness. There are two main categories of hypersomnia: primary hypersomnia (also called idiopathic hypersomnia) and recurrent hypersomnia (also called primary recurrent hypersomnia). Both have the same symptoms but differ in how often they occur. Those who suffer from hypersomnia have recurring episodes of excessive daytime sleepiness (EDS) which is different from feeling tired due [...]