Methods for treating insomnia are disclosed. The methods are directed to administering a pharmaceutically effective amount of baclofen to an individual suffering from insomnia. In addition, due to baclofens positive effects on reducing nighttime reflux events, the present methods are directed to treating insomnia in patients that also suffer from nighttime reflux or gastroesophageal reflux disease (GERD) by administering a pharmaceutically effective amount of baclofen.