The resting room is open for students, but you have to ask the staff first in order get access to the room.
There are more resting rooms located on campus. Below you can find each respective school's resting rooms:
School of Eduction and Communication - HA412, HD234
School of Engineering - E3225
Jönköping Internation Business School - B5212, B6003
School of Health and Welfare - G218