SomnusNooze Articles
News, Stories and Updates From the World of Sleep
SomnusNooze Topics: Diagnosis
Diagnosing Hypersomnias: The Blood Hypocretin Mystery
The current gold standard diagnostic test to differentiate narcolepsy type 1 (NT1) from other hypersomnias is to measure the level of hypocretin in cerebrospinal fluid (CSF). The procedure to take a sample of CSF, called a spinal tap, is uncomfortable... read >
Diagnosing Hypersomnias Differently—A European Proposal
Have you ever noticed how difficult it is to diagnose hypersomnias? Maybe you’ve wondered if a narcolepsy type 2 diagnosis is actually idiopathic hypersomnia (IH) or vice-versa? Have you questioned whether the diagnosis is IH “with long sleep time”... read >
In Case You Missed It! – March 2021
It's been a busy year so far! Let's get up to date with the news we’ve shared via social media with this latest edition of “In Case You Missed It!” NEWLY RELEASED VIDEO: HF’s virtual event “Your Best Self: New Ways of Thinking About... read >
Do I Have IH or NT2?
If you are uncertain whether you have idiopathic hypersomnia (IH) or narcolepsy type 2 (NT2), you are not alone. Sleep doctors are also asking this question, as sleep study results on the same patient often alternate between IH and NT2 diagnoses. Sleep... read >
In Case You Missed It! – May 2020
During this unprecedented time, we are grateful to be able to stay in touch with our community through social media, email, and SomnusNooze. If you’ve missed any of the latest news we’ve shared, don’t worry! Get up to date with this latest edition... read >
Ask the Doctor: Delayed Sleep Phase Syndrome or Idiopathic Hypersomnia?
What is delayed sleep phase syndrome (DSPS) and how is it diagnosed? Should it be ruled out before a diagnosis of idiopathic hypersomnia (IH) is made? We are very honored to have Thanh Dang-Vu, MD, PhD, a neurologist at Concordia University in Montreal,... read >
Ask the Doctor: IH, CFS and Fibromyalgia – How Do They Differ?
What’s the difference between chronic fatigue syndrome (CFS) and idiopathic hypersomnia (IH)? How do they differ from fibromyalgia? And how many people with IH also have CFS or fibromyalgia? A medical expert explains! We are very pleased to have Lynn... read >
IH Summary Expanded to Include Diagnostic Criteria
It’s often a struggle to describe to others – sometimes even to healthcare providers – the essence of idiopathic hypersomnia. To address this, HF prepared Idiopathic Hypersomnia Standard Characteristics in 2017 and made it available on our... read >
Can a Controlled 32-hour Bed-rest Protocol Diagnose IH?
Can IH be diagnosed through a controlled 32-hour bed-rest protocol? And, if so, how many hours does someone need to sleep during those 32 hours to be diagnosed with IH? Finally, how accurate is this type of diagnosis? Sleep researchers in France recently... read >
In Case You Missed It! – January 2019
Happy 2019! As we welcome the new year, we at the Hypersomnia Foundation have resolved to make things easier for our followers! In this month’s “In Case You Missed It!,” we highlight some of the most important news and social media posts about the... read >