The aim of this study is to determinate the feasibility of the Laparoscopic Sleeve Gastrectomy, a bariatric surgery i.e. a surgery as a treatment for obesity, could be proposed as a Day-Case surgery.
Inclusion Criteria: * sufficient understanding * good observance of medical prescription * availability of a responsible adult for the first operative night * patients living nearby the hospital (1 h maximum away) * telephonic accessibility * between 18 and 60 years old adults * body mass index less than 60 kg/m2 * obesity requiring bariatric surgery * surgery validated by an obesity-related staff Exclusion Criteria: * patient under administrative or legal protection * obesity without HAS criteria * cardiovascular comorbidity * pulmonary comorbidity * curative anticoagulant therapy * bad diabetes control * body mass index higher than 60 kg/m2