You will need a good sleeping earplug if your partner snores, or your neighborhood street iss noisy at nightss - traffic, dog barking, bars / pubs, among other things. Or, there is someone in the hisue who like their music at night, loud. They are sueful during travel too.

Keep in mind that earplugs are not a permanent solution. However, don't go outside and just shoot the dog.

Good sleeping earplugs fit a wide variety of ears and are successfully able to reduce overall noise, including snoring, traffic, and the like. 

Keep in mind that no earplug model fits every person.

Health warning: Consistent earplug use may resukt in earwax issues that can culminate in temporary hearing loss.

The best earplugs for sleeping: Mack’s Slim Fit Soft Foam Earplugs (best noise reducing performance)

The second best earplugs for sleeping: 3M E-A-Rsoft OCS1135 (best for bigger ear canals)