Idiopathic hypersomnia.

@article{Billiard1996IdiopathicH,
  title={Idiopathic hypersomnia.},
  author={Michel M. Billiard},
  journal={Neurologic clinics},
  year={1996},
  volume={14 3},
  pages={
          573-82
        }
}
Idiopathic hypersomnia is not as well delineated as narcolepsy and its history is much more recent. There are at least two forms of the disorder: (1) a polysymptomatic form, characterized by excessive daytime sleepiness, nocturnal sleep of abnormally long duration, and signs of sleep drunkenness on awakening, and (2) a monosymptomatic form that manifests only by excessive daytime sleepiness. The most widely used laboratory procedures are nocturnal polysomnographic recording following by an MSLT… Expand
Idiopathic Hypersomnia.
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Hypersomnia, especially with long sleep time, is frequently associated with evening chronotype and young age, and is inadequately diagnosed using MSLT. Expand
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It is reasonable to start with modafinil as a first choice treatment for idiopathic hypersomnia, and methylphenidate and dexamphetamine are good alternatives. Expand
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Current and potential markers of idiopathic hypersomnia are presented, with a focus on sleep propensity, and EEG changes occurring in sleep deprivation conditions and recovery nights, as well as those observed in other central hypersomnolence conditions, namely narcolepsy type-1 and type-2. Expand
A comparison of idiopathic hypersomnia and narcolepsy-cataplexy using self report measures and sleep diary data.
  • D. Bruck, J. Parkes
  • Psychology, Medicine
  • Journal of neurology, neurosurgery, and psychiatry
  • 1996
TLDR
The IH group reported more consolidated nocturnal sleep, a lower propensity to nap, greater refreshment after naps, and a greater improvement in excessive daytime sleepiness since onset than the NLS group. Expand
Hypersomnia
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The causes of hypersomnia are detailed following the conventional classification of hypersomnic syndromes: narcolepsy, idiopathic hypersomnia, recurrent hypers insomnia, insufficient sleep syndrome, medication- and toxin-dependent sleepiness, hypersomnia associated with psychiatric disorders, hypers insomnia associated with neurological disorders, posttraumatic hypersomnia. Expand
Polysomnographic study of nocturnal sleep in idiopathic hypersomnia without long sleep time
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A peculiar profile of microstructural sleep abnormalities may contribute to sleep fragmentation and, possibly, EDS in IH. Expand
Idiopathic Hypersomnia – A Comprehensive Review
  • 2018
Compared to the advances in narcolepsy research there has unfortunately not been a lot of meaningful progress made with idiopathic hypersomnia. This is due to several reasons. One issue is that theExpand
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References

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TLDR
Polysomnographic recordings showed a spontaneous sleep period of 19.4 h and a normal Multiple Sleep Latency Test, which is clearly abnormal but essentially different from those of narcolepsy. Expand
Cataplexy and monoamine oxidase deficiency in Norrie disease
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The coexistence of cataplexy and abnormal REM sleep organization with Norrie disease is reported and it is suggested that abnormal MA0 activity or an imbalance between serotonin and other neurotransmitter levels may be involved in the pathogenesis of human catapLexy. Expand
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A new syndrome called "delayed sleep phase insomnia" is described, which is proposed to be a disorder of the circadian sleep-wake rhythm in which the "advance" portion of the phase response curve is small. Expand