Alcohol use disorder (AUD) is characterized by cognitive impairment and brain abnormalities that vary greatly from one patient to another. AUD is also frequently accompanied by sleep disturbances that increase the risk of relapse. Although it is well established that sleep contributes to an efficient cognitive functioning, its involvement as a factor predicting cognitive and brain alterations remains poorly documented in AUD. AUD patients are also characterized by a poor health-related quality of life (HRQoL), which also represents a significant risk of relapse. HRQoL is a very relevant concept from a clinical point of view as it can reflect the effectiveness of a therapy. Therefore, studying its determinants should be a priority. The first...