Expert answer:
This is called tinnitus and has treatment (usually with medicines) you should seek a general practitioner or an otolaryngologist.
Every night, always at night, my ear is making a strange sound and it bothers a lot. It sounds like the sound of the sea, it seems that there is a sea inside my ear, I spent an entire night with dry cotton and another night with cotton wool and the sound did not stop what I have to do?
This is called tinnitus and has treatment (usually with medicines) you should seek a general practitioner or an otolaryngologist.