se·da·tion 
/sɪˈdeɪʃən/ noun
/sɪˈdeɪʃən/ noun [noncount] 1 : a relaxed, calm, or sleepy condition that results from taking a drug (called a sedative)
▪ Patients are kept under (heavy) sedation during the surgery. 2 : the act of giving a person or animal a drug that causes calmness or relaxation
▪ For some patients, sedation may be necessary.
▪ Patients are kept under (heavy) sedation during the surgery.
▪ For some patients, sedation may be necessary.
