Totally agree with what everyone else has written.
ive been getting up to pee in the middle of the night since I became pregnant, started off about twice a night, now Im 35 weeks and Im up 4 times a night. Have been warned this will increase again once baby drops and increases the pressure on my bladder!
I havent had a full nights sleep in 8 months!! But you know what, you do get used to it. Its just a part of pregnancy.

Make sure you keep up your fluids. As youve discovered, cutting back on drinks doesnt help anyway!