Diagnosis

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Article Summary: Khan Z, Trotti LM. “Central Disorders of Hypersomnolence: Focus on the Narcolepsies and Idiopathic Hypersomnia.”

    This article reviews three central disorders of hypersomnolence (CDH), which include narcolepsy type 1, narcolepsy type 2, and idiopathic hypersomnia. The main symptom patients experience in all three of these disorders is excessive daytime sleepiness (EDS), which cannot be explained by other medical conditions or...

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Ask The Doctor: Idiopathic Hypersomnia vs Type 2 Narcolepsy

Question: Is there an overlap between idiopathic hypersomnia and type 2 narcolepsy? Answer: The short answer to this question is yes. The only way to definitively distinguish idiopathic hypersomnia (IH) from type 2 narcolepsy (T2N) is the number of sleep-onset REM periods (SOREMPs) on diagnostic testing. However,...

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What’s New in the Diagnosis and Treatment of Hypersomnia in 2016?

Rather than writing our own article for this week’s edition of SomnusNooze, we are bringing you information from Dr. David Cunnington in Melbourne, Australia. Dr. Cunnington has agreed to share with us a recent post from his website (sleephub.com.au) that covers hypersomnia-related topics from the SLEEP2016...

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It’s a Fine Line Between Type 2 Narcolepsy and Idiopathic Hypersomnia… and It’s Getting Even Finer

Researchers have provided more evidence that narcolepsy without cataplexy (Nw/oC ) and idiopathic hypersomnia (IH) without long sleep time (LST) look more alike on testing than do narcolepsy with cataplexy (NwC) and Nw/oC. This research was completed before the publication of the International Classification of Sleep Disorders...

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Dr. David Rye Presents at 2013 Narcolepsy Network

Dr. David Rye's 2013 session at the Narcolepsy Network conference entitled: What's in a Name? Understanding the Origins of the Terminologies for the Family of Hypersomnias. A fascinating examination of semantics and the signs and symptoms of hypersomnia. Recorded by: Diana Kimmel Edited by: Jennifer Beard Uploaded with...

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Can Actigraphy Help to Differentiate People with Narcolepsy from People with Idiopathic Hypersomnia?

Why is this study important? Type 1 narcolepsy (T1N) and idiopathic hypersomnia (IH) are both disorders of central hypersomnolence. Even though the International Classification of Sleep Disorders, third edition, includes a finding of 11 hours of sleep during a 24-hour period (as measured by actigraphy for at least 7...

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