***HSL's stacks close 1 hour before the library closes.***
* The Lower Level 1 Reading Room is open 24/7 and is
accessible from the main corridor on Lower Level 1.
* 24/7 student Computer Lounge, Hammer Building Lobby level-
near entrance to the Health Science library.
* CUMC-IT(2nd. floor)closes before the library
* Use link below for full schedule of CUMC-IT http://www.cumc.columbia.edu/it/about/service_desk/index.html