Why do i have to use the restroom in the nighttime more than once?

Prostate: Late 40's male who is experiencing increasing nighttime urinations might be having prostate enlargement. When the prostate enlarges, it causes obstruction of bladder outflow and incomplete bladder emptying; so that more frequent urinations at needed to relieve a refilling bladder. Urologists can discern what the problem is, and make sure it is not a dangerous tumorous growth within the prostate.