The study evaluates the effectiveness of ear plug, eye mask and ocean sound on sleep quality among ICU patients. 60 patients were randomly allocated to group 1 and group 2 by lottery method i.e 30 in each group. Group 1 received earplugs and eye masks on the first night followed by washout period on second night and received ocean sound on third night, while the group 2 received ocean sound on the first night followed by washout period on second night and received earplugs and eye mask on third night.