Talk to Urologist on Excessive Urination And Pain In Left Side Kidney After Standing For One Hour Or Walking

main problem for me is two times urination in night. in the day I can manage but in the Night it's disturbing my sleep. I took time to sleep and then two times urination awake me up and from last two months I am sleeping only 4 or 5 hours even I don't drink water before sleeping and have pain in the left side in kidney area these two problems started together. I went to doctor he took test for diabetics , kidney , blood count and x ray forblader but he said everything is ok I don't know what to do.