SomnusNooze Articles > Diagnosis
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 set out...
Continue ReadingHappy 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 HF,...
Continue ReadingAs 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...
Continue ReadingIt’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 our Medical Advisory Board, summarizes the common characteristics of IH. We hope...
Continue ReadingDr. Lynn Marie Trotti answers questions about diagnostics relating to hypersomnia and concludes...
Continue ReadingThis 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...
Continue ReadingNarcolepsy vs Idiopathic Hypersomnia: What's the Difference? My 9-year-old son recently was diagnosed with IH but can't exclude narcolepsy. We got a second opinion and the doctor agreed. I don't understand why they don't have a definitive answer. The doctors told me to not to worry about...
Continue ReadingQuestion: 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,...
Continue ReadingRather 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...
Continue ReadingBackground The primary feature of the two main central disorders of hypersomnolence—narcolepsy and idiopathic hypersomnia (IH)—is excessive daytime sleepiness, defined in the International Classification of Sleep Disorders, third edition, as “daily episodes of an irrepressible need to sleep or daytime lapses into sleep." Overnight sleep testing (polysomnography) and a...
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