a noise in my ears

Hi doctor,sorry i am writing in english i have no ivrit on my computer i can only read ivrit. my problem is that i have a sound in my ears like the sea,but very loud,sometimes when i am in bed it sounds like i can hear my blood rushing thru my veins,it is so loud it stops me from falling asleep,what could this be? Thankyou

Your prblem is termed "tinnitus" and you should look up for info in English in any search engine