Dreams or Implicite Memorization Under OFA

The Dreams study is an observational study aimed at evaluating the incidence of connected awareness after intubation, intraoperative explicit and implicit memorization, and postoperative well-being in patients receiving general anesthesia without opioids. Outcomes The primary objective is the evaluation of the incidence of connected consciousness after induction of general anesthesia without opioids and intubation. The secondary objectives are: * Implicit and explicit memorization after intubation and during the procedure * Post-operative well-being Pain in the recovery room and in the room, assessed by VAS; * Total consumption of analgesics (paracetamol, diclofenac, tramadol): data collected during discharge * Level of satisfaction, assessed using the EVAN scale * Duration of hospitalization * Estimated first mobilization