A 19-h spontaneous sleep period in idiopathic central nervous system hypersomnia

Ulrich Voderholzer, Jutta Backhaus, Magdolna Hornyak, Fritz Hohagen, Mathias Berger, Dieter Riemann

Abstract

Reports of prolonged sleep periods in idiopathic central nervous system hypersomnia, as shown by ad libitum sleep recordings, are rare. A patient with idiopathic hypersomnia with extremely long sleep periods and sleep drunkenness after awakening is described. Polysomnographic recordings showed a spontaneous sleep period of 19.4 h and a normal Multiple Sleep Latency Test. These polysomnographic findings are clearly abnormal but essentially different from those of narcolepsy. Unlike narcolepsy, 'idiopathic hypersomnia' does not seem to be a distinct clinical entity but a category for different heterogenous subtypes.

Original languageEnglish
JournalJournal of Sleep Research
Volume7
Issue number2
Pages (from-to)101-103
Number of pages3
ISSN0962-1105
DOIs
Publication statusPublished - 1998

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being
  2. SDG 10 - Reduced Inequalities
    SDG 10 Reduced Inequalities

Research Areas and Centers

  • Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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