Geisel Study Commons

Eligible Users

Open to current UCSD students, faculty, and staff only. Valid UCSD ID card required during overnight hours. On request, users must show valid UCSD-issued ID card to library staff, campus police, or other campus security officers to verify eligibility. Users without valid UCSD-issued ID card must leave the building until regular library hours resume.

Location & Access

Geisel East Learning Commons (limited to main/2nd floor of Geisel's east side). After midnight, eligible users may enter through main entrance and proceed to the east (right). Access prohibited to closed & staff-only areas.


Basic safety & security is provided overnight. Other library services are not provided. Security staff will report equipment problems, but cannot provide computer, printing, reserves, or research assistance.


Overnight hours begin at midnight (00:00) and end at 7:30 a.m. (07:30) Monday through Friday. Available during fall, winter, and spring academic quarters only (excluding campus holidays). Policies include any additional overnight hours or areas offered during final exam periods.

Day of Week Hours of Operation
Monday Midnight–7:30 a.m.
Tuesday Midnight–7:30 a.m.
Wednesday Midnight–7:30 a.m.
Thursday Midnight–7:30 a.m.
Friday Midnight–7:30 a.m.

View regular Geisel building hours.


Seating available for about 500, including 100 computer workstations as well as large & small study tables, individual study carrels, comfortable chairs, group study rooms. Electrical outlets, copiers, and scanners also available.

Security & Reporting Problems

Library Security staff provided to ensure safety & security overnight. Report security problems or concerns to Security staff on duty or email Library_Safety_and_Security@AD.UCSD.EDU.
Report non-emergency problems related to Overnight Study Commons to


Report emergencies to Security staff on duty, call Campus Police at 858-534-4357, or call 911.

Use Policies

  • Conduct: The UCSD Student Conduct Code & Library Use & Conduct Policies apply to all library areas at all times. For safety & security, these additional policies apply to the Geisel Overnight Study Commons. Failure to follow these policies may result in temporary or permanent loss of access to UCSD library facilities.
  • Food & Drink: Library food & drink policy applies overnight in the study commons. In compliance with California State Law, UCSD policy prohibits consumption of alcohol. Dispose of trash & recyclables in appropriate containers and clean spills, crumbs, and sticky surfaces immediately. Notify security staff for larger spills.
  • Sleeping: University policy (PPM 516-10.3) and the Library Use & Conduct Policies  restrict library areas from being used for sleeping or living quarters. Camping equipment (tents, sleeping bags) & furniture arrangements designed for sleeping are not permitted.


The Study Commons is being funded in part by a recent gift from the Alice G. Marquis Living Trust.

Places to Study