What is the record amount of time for going without sleep?

Randy Gardner (born c. 1946) is an American man from San Diego, California, who currently holds the record for the longest amount of time a human has gone without sleep. In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of 260 hours held by Tom Rounds.

The longest recorded period for which a person has voluntarily gone without sleep is 449 hr (18 days 17 hours) by Mrs. Maureen Weston of Peterborough, England in a rocking chair marathon from April 14 to May 2, 1977. Though she tended to hallucinate toward the end of this surely ill-advised test, surprisingly, she suffered no lasting aftereffects."