Xywav is also used in adults to treat idiopathic hypersomnia (IH), which is an uncommon, chronic sleep disorder that causes daytime sleepiness even after a good night's sleep. Xywav helps to improve the quality and quantity of deep sleep at night, which reduces excessive daytime sleepiness and the number of sleeping periods during the day and , XYWAV ® (calcium, magnesium, potassium, and sodium oxybates) oral solution, 0.5 g/mL total salts (equivalent to 0.413 g/mL of oxybate) is indicated for the treatment of cataplexy or excessive daytime sleepiness (EDS) in patients 7 years of age and older with narcolepsy, and for the treatment of idiopathic hypersomnia (IH) in adults., Notably, people taking Xywav reported improvements in sleep inertia and daytime functioning. However, other medications can also treat IH and may even be better options for some people. Other medications besides Xywav to treat IH include: Xyrem (sodium oxybate) Clarithromycin. Ritalin (methylphenidate) Wakix (pitolisant) Xywav versus Xyrem, Medications available for idiopathic hypersomnia (IH) include both FDA-approved and off-label options: FDA-Approved Medication: Xywav (calcium, magnesium, potassium, and sodium oxybates): This is the first and only FDA-approved treatment specifically for idiopathic hypersomnia in adults.It is a lower-sodium oxybate formulation taken at night to treat symptoms such as excessive daytime , Xywav (calcium, magnesium, potassium, and sodium oxybates) oral solution is already approved for the treatment of cataplexy or excessive daytime sleepiness in patients seven years or older with , XYWAV oral solution, 0.5 g/mL total salts (equivalent to 0.413 g/mL of oxybate) is the only FDA‑approved treatment for cataplexy and/or excessive daytime sleepiness in narcolepsy and for idiopathic hypersomnia (IH) in adults..