Idiopathic Hypersomnia Overview

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Learn About Idiopathic Hypersomnia

What is the definition of Idiopathic Hypersomnia?
Idiopathic hypersomnia (IH) is a neurological sleep disorder that can affect many aspects of a person's life. Symptoms often begin between adolescence and young adulthood and develop over weeks to months. People with IH have a hard time staying awake and alert during the day (chronic excessive daytime sleepiness). They may fall asleep unintentionally or at inappropriate times, interfering with daily functioning. They may also have difficulty waking up from nighttime sleep or daytime naps. Sleeping longer at night does not appear to improve daytime sleepiness. The cause of IH is not known. Some people with IH have other family members with a sleep disorder such as IH or narcolepsy.
What are the alternative names for Idiopathic Hypersomnia?
  • Idiopathic hypersomnia
  • Idiopathic hypersomnolence
  • Primary hypersomnia
Who are the top Idiopathic Hypersomnia Local Doctors?
Yves A. Dauvilliers
Elite in Idiopathic Hypersomnia
Yves A. Dauvilliers
Elite in Idiopathic Hypersomnia
Yves A. Dauvilliers
Montpellier, FR 

Yves Dauvilliers practices in Montpellier, France. Mr. Dauvilliers is rated as an Elite expert by MediFind in the treatment of Idiopathic Hypersomnia. His top areas of expertise are Narcolepsy, Excessive Daytime Sleepiness, Drowsiness, and Idiopathic Hypersomnia.

Lynn M. Trotti
Elite in Idiopathic Hypersomnia
Dr. Lynn M. Trotti
Sleep Medicine
Elite in Idiopathic Hypersomnia
Dr. Lynn M. Trotti
Sleep Medicine

Emory Sleep Center

12 Executive Park Drive Northeast, 
Atlanta, GA 
404-712-7533
Languages Spoken:
English, Spanish
See accepted insurances
Accepting New Patients
Offers Telehealth

Lynn Trotti is a Sleep Medicine provider in Atlanta, Georgia. Dr. Trotti is rated as an Elite provider by MediFind in the treatment of Idiopathic Hypersomnia. Her top areas of expertise are Idiopathic Hypersomnia, Drowsiness, Excessive Daytime Sleepiness, Restless Legs Syndrome, and Gastrostomy. Dr. Trotti is currently accepting new patients.

 
 
 
 
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Isabelle Arnulf
Elite in Idiopathic Hypersomnia
Isabelle Arnulf
Elite in Idiopathic Hypersomnia
Isabelle Arnulf
Paris, FR 

Isabelle Arnulf practices in Paris, France. Ms. Arnulf is rated as an Elite expert by MediFind in the treatment of Idiopathic Hypersomnia. Her top areas of expertise are Kleine Levin Syndrome, Drowsiness, Idiopathic Hypersomnia, and Narcolepsy.

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What are the latest Idiopathic Hypersomnia Clinical Trials?
A Phase 2a, Randomized, Double-blind, Placebo-controlled Study of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of ORX750 in Subjects With Narcolepsy and Idiopathic Hypersomnia (CRYSTAL-1)
A Phase 2a, Randomized, Double-blind, Placebo-controlled Study of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of ORX750 in Subjects With Narcolepsy and Idiopathic Hypersomnia (CRYSTAL-1)
Enrollment Status: Recruiting
Publish Date: October 29, 2025
Intervention Type: Drug
Study Phase: Phase 2

Summary: Narcolepsy Type 1 (NT1), Narcolepsy Type 2 (NT2), and Idiopathic Hypersomnia (IH) are rare conditions that make people feel very sleepy during the day (often referred to as excessive daytime sleepiness \[EDS\]). People living with these conditions might find it hard to stay alert and pay attention when they are at school, working, driving, or performing other daily activities. While all conditions...

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An Open-Label, Long-Term Extension Study to Investigate the Safety, Tolerability, and Durability of Treatment Effect of ALKS 2680 in Subjects With Narcolepsy Type 1 and Type 2 and Idiopathic Hypersomnia
An Open-Label, Long-Term Extension Study to Investigate the Safety, Tolerability, and Durability of Treatment Effect of ALKS 2680 in Subjects With Narcolepsy Type 1 and Type 2 and Idiopathic Hypersomnia
Enrollment Status: Recruiting
Publish Date: October 14, 2025
Intervention Type: Drug
Study Phase: Phase 2/Phase 3

Summary: The purpose of this study is to continue to measure the safety, tolerability, and durability of treatment effect in subjects with Narcolepsy Type 1 (NT1), Narcolepsy Type 2 (NT2), or Idiopathic Hypersomnia (IH) when taking ALKS 2680 tablets.

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Published Date: May 12, 2022
Published By: Genetic and Rare Diseases Informnation Center