News, Stories and Updates From the World of Sleep
SomnusNooze Topics: Diagnosis

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 IH?
What is delayed sleep phase syndrome (DSPS) and how is it diagnosed? Should it be ruled out before a diagnosis of IH is made? We are very honored to have Thanh Dang-Vu, MD, PhD, a neurologist at Concordia University in Montreal, and a distinguished member... read >

Ask the Doctor: IH, CFS and Fibromyalgia – How Do They Differ?
Lynn Marie Trotti, MD, MSc, of Emory University, and the Chair of our MAB 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... 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 >

In Case You Missed It! – December 2018
As the end of 2018 draws near, we know that your family and other social obligations can take over your life. So the Hypersomnia Foundation is here to make things easier and more joyful! In this month’s “In Case You Missed It!,” we highlight some of... read >

Idiopathic Hypersomnia Standard Characteristics
It’s often a struggle to describe to others – sometimes to doctors – the essence of idiopathic hypersomnia. Now, the Hypersomnia Foundation presents Idiopathic Hypersomnia Standard Characteristics. This one-page document, reviewed and approved by... read >

Dr. Trotti Answers Questions on Diagnostics Relating to Hypersomnia
Dr. Lynn Marie Trotti answers questions about diagnostics relating to hypersomnia and concludes... Q - What is the “gold-standard” for diagnosis of narcolepsy? What about IH? A - For narcolepsy type 1 (or narcolepsy with cataplexy), measurement of... read >