Hospitalization is the act of being admitted to a hospital for medical treatment or care. It often involves staying overnight or for an extended period of time in order to receive specialized medical attention, monitoring, and/or surgical procedures. Hospitalization can occur for a wide range of reasons, such as illnesses, injuries, surgeries, and chronic conditions. It is an important aspect of healthcare that allows patients to receive the necessary care and support from healthcare professionals in a controlled and monitored environment. Research in hospitalization often focuses on issues related to patient outcomes, quality of care, healthcare utilization, and cost-effectiveness of various treatment options.