I'm turning 18 years old, male, suffer from adjustment disorder

Since late last year I always had to wake up at night to pee at around 3-4am. I normally sleep at 11. I took traditional chinese medicine and it extended my sleep to 7 hours before I need to wake up to pee. Howver now that I stop taking it a few days ago, I have a constant urge to pee at night. It got stronger until yesterday night and I can't take it. Every few minutes I get a very strong urge to pee and I try to hold it to sleep but I can't and have to get up. COuld it be anxiety since it only happens at night? Why does the TCM help if its anxiety? Weak pelvic floor maybe?