Identifying Genuine Cataplexy in Narcolepsy What cataplexy is, how it presents, and important features that help distinguish genuine cataplexy from other experiences

Sodium oxybate is now a TGA-approved medicine in Australia for the treatment of narcolepsy. On 9 July 2026, a generic brand of sodium oxybate became a TGA-approved medicine in Australia following its inclusion on the Australian Register of Therapeutic Goods (ARTG). It is important to note that this approval is for narcolepsy only. Sodium oxybate is not approved in Australia for idiopathic hypersomnia. There are currently no medications approved specifically for idiopathic hypersomnia in...

A new study published in SLEEP (2026) provides strong evidence that the body’s normal “sleep pressure” system doesn’t function properly in people living with Idiopathic Hypersomnia (IH). This might sound technical, but it helps explain something many people with IH experience every day. What is “sleep pressure”? Sleep pressure is the brain’s built-in drive for sleep. In a typical system, it: builds up while you’re awake reduces during sleep resets overnight so you wake up feeling relatively...