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How long can a person survive without sleep?

1 doctor weighed in

In brief: Lack of function-72h

The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon.
The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.

In brief: Lack of function-72h

The record for the longest period without sleep is 18 days, 21 hours, 40 minutes during a rocking chair marathon.
The record holder reported hallucinations, paranoia, blurred vision, slurred speech and memory and concentration lapses.
Dr. Richard Leaderman
Dr. Richard Leaderman
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