Effect of Virtual Reality and Binaural Beat on Sleep and Comfort in Adults After Mechanical Valve Replacement Surgery

Inclusion Criteria: * Patients will be eligible for participation following mechanical valve replacement surgery if they are willing to participate, able to provide informed consent, and meet the following criteria: male or female aged 18 years or older, hemodynamically stable, oriented and conscious without cognitive impairment, free from visual or auditory impairments, able to communicate orally in Arabic, not receiving analgesics or sedatives within at least four hours prior to the intervention, and having no history of epilepsy, seizure disorders, or recurrent migraines. Exclusion Criteria: * The study's exclusion criteria will include participants with facial or head injuries, a history of vertigo or severe motion sickness, immediate postoperative cardiac arrest, the use of hypnotic medications, the presence of a tracheostomy, or any implanted body hardware.