Glossary of Terms

naps

People who have hypersomnias often need naps, which are hard or impossible to avoid.

• In idiopathic hypersomnia, naps are usually long (more than 1 hour), unrefreshing (non-restorative), and may make people feel even worse
• In narcolepsy type 2, naps are usually short and somewhat refreshing (restorative)
• In narcolepsy type 1, naps are usually short and refreshing

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