Quality of Recovery After Reversal With Neostigmine or Sugammadex.

Inclusion Criteria: * Participant must be willing and able to provide written informed consent for the study * Participant must be greater than or equal to 18 years of age * Participant must be ASA (American Society of Anesthesiologists) class I, II or III * Planned use of neuromuscular blocking drugs * Planned use of endotracheal intubation * Planned for extubation to occur in the OR Exclusion Criteria: * ASA (American Society of Anesthesiologists) Class IV * Age \< 18 years old * Inability to give oral or written consent * Known or suspected neuromuscular disorder impairing neuromuscular function * True allergy to muscle relaxants * A (family) history of malignant hyperthermia * A contraindication for neostigmine or sugammadex administration * Serum creatinine level of greater than 2.0 mg/dL * Surgery where the patient's arm is not available for neuromuscular monitoring * A plan to extubate under deep anesthesia * Pregnant