When I lay down. I get dizzy. does this happen 2 anyone else? My blood pressure is perfect , I had a blood test and it's perfect. Any ideas?

It could be an inner ear thing....do you remember getting water in your ear? Do you have wax in your ear? There is a set of exercises that you can do by positioning your head certain ways that will clear your ear canal and make you not dizzy anymore.
Ask your doctor.

sometimes I do