Metharbital is a sedative medication that is prescribed for sleep disorders. It is also known by several other names such as Gemonil, Prominal, and Veronal. These names are actually synonyms for metharbital. Each of these names may be used interchangeably in medical circles. It is important to note that although these medications have the same active ingredients, they may differ in some aspects. Therefore, it is essential to follow the prescription given by a healthcare professional. Other sedatives that are similar to metharbital include phenobarbital, diazepam, and zolpidem. If you are experiencing sleep disturbances, consult a medical professional for proper diagnosis and treatment.