SILVER SPRING, Md. — The U.S. Food and Drug Administration today approved a new indication for Xywav for idiopathic hypersomnia (IH) in adults. IH is an uncommon chronic sleep disorder that causes people to be excessively sleepy during the day even after a good night’s sleep. Xywav (calcium, magnesium, potassium, and sodium oxybates) oral solution is already approved … Continue reading FDA Grants First of its Kind Indication for Chronic Sleep Disorder Treatment