Aside from the fact that it's closed, it's because Central Park used to be really rough at night. If you've never been to Central Park, it's really really big for a park completely surrounded by dense urban real estate. read more
Because Central Park is closed from 1:00 am to 6:00 am, and technically no one is permitted in the park during those hours. But before then, the Park can be truly lovely and quiet. read more