A University of Michigan student told police she woke up Wednesday to find an unknown man standing in her dorm room.
Officials with the UM Division of Public Safety and Security said the student told police she screamed and the man left her room at Markley Residence Hall, 1503 Washington Heights.
Mary Markley Hall is a freshman mixed-gender residence hall, according to the university's website.
Police also said there were no signs of forced of entry and no property was taken.
The incident happened at about 5:25 a.m.
Officials said anyone with information should call the Division of Public Safety and Security at (734) 763-1131.