The primary aim of this study is to determine the degree to which quetiapine improves sleep in veterans during the early phase of recovery from alcohol dependence. The sleep efficiency from an in-lab polysomnogram will be the primary outcome measure. Secondary measures of sleep will include the Pittsburgh Sleep Quality Index, Insomnia Severity Index, and actigraphy. Other additional aims will explore for alcohol use and cravings, change in psychiatric symptoms using the The Time Line Follow Back measure, Penn Alcohol Craving Scale (PACS), the Patient Health Questionnaire-9 item scale (PHQ-9), and the Beck's Anxiety Inventory (BAI) respectively.