Inclusion Criteria:  Patients with free medical history or controlled hypertension and/ or diabetes scheduled for elective laparoscopic sleeve gastrectomy. BMI > 35 kg/ m2  Exclusion Criteria:  Patients unfit for surgery or refuse to sign the consent of regional block. Patients with known coagulation defects. Patients with known hypersensitivity to bupivacaine. Patients with infection at the site of injection. Conversion of laparoscopic surgery to laparotomy