Inclusion Criteria:  Modified informed consent Adults ≥18 years American Society of Anaesthesiologists physical status 1-4 Scheduled for hip arthroplasty, laparoscopy assisted colorectal surgery Personal visit the PACE clinic Anticipated overnight postoperative hospitalization Reasonable English fluency  Exclusion Criteria:  Opioid use for more than 30 consecutive days within three preoperative months, at a daily dose of 15 mg or more of morphine or equivalent Regional block or epidural analgesia