Inclusion Criteria:  English speaking 18 to 89 years of age. Planned to undergo major head and neck surgery OHSU with an expected length of stay of two days or more. Ability to understand goals of the study and willingness to sign a written informed consent document.  Exclusion Criteria:  Planned postoperative admission to the intensive care unit (ICU). Social or psychiatric conditions that may interfere with compliance. Isolation precautions. Reconstruction, incisions, wounds, wound care, or injury that impact the ability to place on the VR headset or wear a Fitbit device around the wrist. History of seizure or epilepsy. History of vertigo or persistent dizziness. Limitations that impair mobility. Use of a walker or wheelchair at baseline.