In order to cancel all the unwanted ambient noises, use ear plugs Ear plugs are used very rarely, but they are extremely useful if you want to increase the quality of your sleep both at home as well as in other spaces where sleeping would be impossible. You put the ear plugs in, pull your sleep mask over your eyes, and this is how you turn any waiting period into a refreshing and productive use of your time. You can search amazon.com using the following phrase: “Hearos Ear Plugs”. It has a rating of above 4 stars.