According to her page and the timeline she was present during WW2 in the year 1943 to 1945, however it woukd make her sleep only 28 years inteady of 30. Since she should have been going to sleep around 1917 or so.
During the Vietnam war is possible she was asleep and only awakee during one year or again been artificialy awakened. So then she could go to sleep in 1975 and wake up after 30 years in 2005.
