This is a protocol for a Cochrane Review (Intervention). The objectives are as follows:

To assess the effects of medications for daytime sleepiness and related symptoms in individuals with idiopathic hypersomnia, and in particular whether medications may:

1. reduce subjective measures of sleepiness;

2. reduce objective measures of sleepiness;

3. reduce symptoms of cognitive dysfunction;

4. improve quality of life; and

5. be associated with adverse events.