Clarification on Hayden Library hours

During the fall and spring semesters, the Hayden Library is open 24 hours a day, Sunday mornings through Friday at midnight.

Overnight hours are restricted to ASU students, faculty and staff, who are required to show identification to be in the building between midnight and 7 a.m.

For a complete listing of hours for all ASU Libraries, please see http://lib.asu.edu/hours.